diff --git a/src/Simplex/Chat/Controller.hs b/src/Simplex/Chat/Controller.hs
index e64553af98..71b57c72b2 100644
--- a/src/Simplex/Chat/Controller.hs
+++ b/src/Simplex/Chat/Controller.hs
@@ -366,9 +366,9 @@ data ChatCommand
   | ApiGetConnNtfMessages {connIds :: NonEmpty AgentConnId}
   | APIAddMember GroupId ContactId GroupMemberRole
   | APIJoinGroup {groupId :: GroupId, enableNtfs :: MsgFilter}
-  | APIMemberRole GroupId GroupMemberId GroupMemberRole
-  | APIBlockMemberForAll GroupId GroupMemberId Bool
-  | APIRemoveMember GroupId GroupMemberId
+  | APIMembersRole GroupId (NonEmpty GroupMemberId) GroupMemberRole
+  | APIBlockMembersForAll GroupId (NonEmpty GroupMemberId) Bool
+  | APIRemoveMembers GroupId (NonEmpty GroupMemberId)
   | APILeaveGroup GroupId
   | APIListMembers GroupId
   | APIUpdateGroupProfile GroupId GroupProfile
@@ -673,7 +673,7 @@ data ChatResponse
   | CRUserAcceptedGroupSent {user :: User, groupInfo :: GroupInfo, hostContact :: Maybe Contact}
   | CRGroupLinkConnecting {user :: User, groupInfo :: GroupInfo, hostMember :: GroupMember}
   | CRBusinessLinkConnecting {user :: User, groupInfo :: GroupInfo, hostMember :: GroupMember, fromContact :: Contact}
-  | CRUserDeletedMember {user :: User, groupInfo :: GroupInfo, member :: GroupMember}
+  | CRUserDeletedMembers {user :: User, groupInfo :: GroupInfo, members :: [GroupMember]}
   | CRGroupsList {user :: User, groups :: [(GroupInfo, GroupSummary)]}
   | CRSentGroupInvitation {user :: User, groupInfo :: GroupInfo, contact :: Contact, member :: GroupMember}
   | CRFileTransferStatus User (FileTransfer, [Integer]) -- TODO refactor this type to FileTransferStatus
@@ -758,9 +758,9 @@ data ChatResponse
   | CRJoinedGroupMember {user :: User, groupInfo :: GroupInfo, member :: GroupMember}
   | CRJoinedGroupMemberConnecting {user :: User, groupInfo :: GroupInfo, hostMember :: GroupMember, member :: GroupMember}
   | CRMemberRole {user :: User, groupInfo :: GroupInfo, byMember :: GroupMember, member :: GroupMember, fromRole :: GroupMemberRole, toRole :: GroupMemberRole}
-  | CRMemberRoleUser {user :: User, groupInfo :: GroupInfo, member :: GroupMember, fromRole :: GroupMemberRole, toRole :: GroupMemberRole}
+  | CRMembersRoleUser {user :: User, groupInfo :: GroupInfo, members :: [GroupMember], toRole :: GroupMemberRole}
   | CRMemberBlockedForAll {user :: User, groupInfo :: GroupInfo, byMember :: GroupMember, member :: GroupMember, blocked :: Bool}
-  | CRMemberBlockedForAllUser {user :: User, groupInfo :: GroupInfo, member :: GroupMember, blocked :: Bool}
+  | CRMembersBlockedForAllUser {user :: User, groupInfo :: GroupInfo, members :: [GroupMember], blocked :: Bool}
   | CRConnectedToGroupMember {user :: User, groupInfo :: GroupInfo, member :: GroupMember, memberContact :: Maybe Contact}
   | CRDeletedMember {user :: User, groupInfo :: GroupInfo, byMember :: GroupMember, deletedMember :: GroupMember}
   | CRDeletedMemberUser {user :: User, groupInfo :: GroupInfo, member :: GroupMember}
diff --git a/src/Simplex/Chat/Library/Commands.hs b/src/Simplex/Chat/Library/Commands.hs
index 624f6a6dc1..f44dca9026 100644
--- a/src/Simplex/Chat/Library/Commands.hs
+++ b/src/Simplex/Chat/Library/Commands.hs
@@ -2023,75 +2023,170 @@ processChatCommand' vr = \case
           updateCIGroupInvitationStatus user g CIGISAccepted `catchChatError` (toView . CRChatError (Just user))
           pure $ CRUserAcceptedGroupSent user g {membership = membership {memberStatus = GSMemAccepted}} Nothing
         Nothing -> throwChatError $ CEContactNotActive ct
-  APIMemberRole groupId memberId memRole -> withUser $ \user -> do
-    Group gInfo@GroupInfo {membership} members <- withFastStore $ \db -> getGroup db vr user groupId
-    if memberId == groupMemberId' membership
-      then changeMemberRole user gInfo members membership $ SGEUserRole memRole
-      else case find ((== memberId) . groupMemberId') members of
-        Just m -> changeMemberRole user gInfo members m $ SGEMemberRole memberId (fromLocalProfile $ memberProfile m) memRole
-        _ -> throwChatError CEGroupMemberNotFound
+  APIMembersRole groupId memberIds newRole -> withUser $ \user ->
+    withGroupLock "memberRole" groupId . procCmd $ do
+      g@(Group gInfo members) <- withFastStore $ \db -> getGroup db vr user groupId
+      when (selfSelected gInfo) $ throwChatError $ CECommandError "can't change role for self"
+      let (invitedMems, currentMems, unchangedMems, maxRole, anyAdmin) = selectMembers members
+      when (length invitedMems + length currentMems + length unchangedMems /= length memberIds) $ throwChatError CEGroupMemberNotFound
+      when (length memberIds > 1 && (anyAdmin || newRole >= GRAdmin)) $
+        throwChatError $ CECommandError "can't change role of multiple members when admins selected, or new role is admin"
+      assertUserGroupRole gInfo $ maximum ([GRAdmin, maxRole, newRole] :: [GroupMemberRole])
+      (errs1, changed1) <- changeRoleInvitedMems user gInfo invitedMems
+      (errs2, changed2, acis) <- changeRoleCurrentMems user g currentMems
+      unless (null acis) $ toView $ CRNewChatItems user acis
+      let errs = errs1 <> errs2
+      unless (null errs) $ toView $ CRChatErrors (Just user) errs
+      pure $ CRMembersRoleUser {user, groupInfo = gInfo, members = changed1 <> changed2, toRole = newRole} -- same order is not guaranteed
     where
-      changeMemberRole user gInfo members m gEvent = do
-        let GroupMember {memberId = mId, memberRole = mRole, memberStatus = mStatus, memberContactId, localDisplayName = cName} = m
-        assertUserGroupRole gInfo $ maximum ([GRAdmin, mRole, memRole] :: [GroupMemberRole])
-        withGroupLock "memberRole" groupId . procCmd $ do
-          unless (mRole == memRole) $ do
-            withFastStore' $ \db -> updateGroupMemberRole db user m memRole
-            case mStatus of
-              GSMemInvited -> do
-                withFastStore (\db -> (,) <$> mapM (getContact db vr user) memberContactId <*> liftIO (getMemberInvitation db user $ groupMemberId' m)) >>= \case
-                  (Just ct, Just cReq) -> sendGrpInvitation user ct gInfo (m :: GroupMember) {memberRole = memRole} cReq
-                  _ -> throwChatError $ CEGroupCantResendInvitation gInfo cName
-              _ -> do
-                msg <- sendGroupMessage user gInfo members $ XGrpMemRole mId memRole
-                ci <- saveSndChatItem user (CDGroupSnd gInfo) msg (CISndGroupEvent gEvent)
-                toView $ CRNewChatItems user [AChatItem SCTGroup SMDSnd (GroupChat gInfo) ci]
-          pure CRMemberRoleUser {user, groupInfo = gInfo, member = m {memberRole = memRole}, fromRole = mRole, toRole = memRole}
-  APIBlockMemberForAll groupId memberId blocked -> withUser $ \user -> do
-    Group gInfo@GroupInfo {membership} members <- withFastStore $ \db -> getGroup db vr user groupId
-    when (memberId == groupMemberId' membership) $ throwChatError $ CECommandError "can't block/unblock self"
-    case splitMember memberId members of
-      Nothing -> throwChatError $ CEException "expected to find a single blocked member"
-      Just (bm, remainingMembers) -> do
-        let GroupMember {memberId = bmMemberId, memberRole = bmRole, memberProfile = bmp} = bm
-        -- TODO GRModerator when most users migrate
-        assertUserGroupRole gInfo $ max GRAdmin bmRole
-        when (blocked == blockedByAdmin bm) $ throwChatError $ CECommandError $ if blocked then "already blocked" else "already unblocked"
-        withGroupLock "blockForAll" groupId . procCmd $ do
-          let mrs = if blocked then MRSBlocked else MRSUnrestricted
-              event = XGrpMemRestrict bmMemberId MemberRestrictions {restriction = mrs}
-          msg <- sendGroupMessage' user gInfo remainingMembers event
-          let ciContent = CISndGroupEvent $ SGEMemberBlocked memberId (fromLocalProfile bmp) blocked
-          ci <- saveSndChatItem user (CDGroupSnd gInfo) msg ciContent
-          toView $ CRNewChatItems user [AChatItem SCTGroup SMDSnd (GroupChat gInfo) ci]
-          bm' <- withFastStore $ \db -> do
-            liftIO $ updateGroupMemberBlocked db user groupId memberId mrs
-            getGroupMember db vr user groupId memberId
-          toggleNtf user bm' (not blocked)
-          pure CRMemberBlockedForAllUser {user, groupInfo = gInfo, member = bm', blocked}
+      selfSelected GroupInfo {membership} = elem (groupMemberId' membership) memberIds
+      selectMembers :: [GroupMember] -> ([GroupMember], [GroupMember], [GroupMember], GroupMemberRole, Bool)
+      selectMembers = foldr' addMember ([], [], [], GRObserver, False)
+        where
+          addMember m@GroupMember {groupMemberId, memberStatus, memberRole} (invited, current, unchanged, maxRole, anyAdmin)
+            | groupMemberId `elem` memberIds =
+                let maxRole' = max maxRole memberRole
+                    anyAdmin' = anyAdmin || memberRole >= GRAdmin
+                 in
+                  if
+                    | memberRole == newRole -> (invited, current, m : unchanged, maxRole', anyAdmin')
+                    | memberStatus == GSMemInvited -> (m : invited, current, unchanged, maxRole', anyAdmin')
+                    | otherwise -> (invited, m : current, unchanged, maxRole', anyAdmin')
+            | otherwise = (invited, current, unchanged, maxRole, anyAdmin)
+      changeRoleInvitedMems :: User -> GroupInfo -> [GroupMember] -> CM ([ChatError], [GroupMember])
+      changeRoleInvitedMems user gInfo memsToChange = do
+        -- not batched, as we need to send different invitations to different connections anyway
+        mems_ <- forM memsToChange $ \m -> (Right <$> changeRole m) `catchChatError` (pure . Left)
+        pure $ partitionEithers mems_
+        where
+          changeRole :: GroupMember -> CM GroupMember
+          changeRole m@GroupMember {groupMemberId, memberContactId, localDisplayName = cName} = do
+            withFastStore (\db -> (,) <$> mapM (getContact db vr user) memberContactId <*> liftIO (getMemberInvitation db user groupMemberId)) >>= \case
+              (Just ct, Just cReq) -> do
+                sendGrpInvitation user ct gInfo (m :: GroupMember) {memberRole = newRole} cReq
+                withFastStore' $ \db -> updateGroupMemberRole db user m newRole
+                pure (m :: GroupMember) {memberRole = newRole}
+              _ -> throwChatError $ CEGroupCantResendInvitation gInfo cName
+      changeRoleCurrentMems :: User -> Group -> [GroupMember] -> CM ([ChatError], [GroupMember], [AChatItem])
+      changeRoleCurrentMems user (Group gInfo members) memsToChange = case L.nonEmpty memsToChange of
+        Nothing -> pure ([], [], [])
+        Just memsToChange' -> do
+          let events = L.map (\GroupMember {memberId} -> XGrpMemRole memberId newRole) memsToChange'
+          (msgs_, _gsr) <- sendGroupMessages user gInfo members events
+          let itemsData = zipWith (fmap . sndItemData) memsToChange (L.toList msgs_)
+          cis_ <- saveSndChatItems user (CDGroupSnd gInfo) itemsData Nothing False
+          when (length cis_ /= length memsToChange) $ logError "changeRoleCurrentMems: memsToChange and cis_ length mismatch"
+          (errs, changed) <- lift $ partitionEithers <$> withStoreBatch' (\db -> map (updMember db) memsToChange)
+          let acis = map (AChatItem SCTGroup SMDSnd (GroupChat gInfo)) $ rights cis_
+          pure (errs, changed, acis)
+          where
+            sndItemData :: GroupMember -> SndMessage -> NewSndChatItemData c
+            sndItemData GroupMember {groupMemberId, memberProfile} msg =
+              let content = CISndGroupEvent $ SGEMemberRole groupMemberId (fromLocalProfile memberProfile) newRole
+                  ts = ciContentTexts content
+                in NewSndChatItemData msg content ts M.empty Nothing Nothing Nothing
+            updMember db m = do
+              updateGroupMemberRole db user m newRole
+              pure (m :: GroupMember) {memberRole = newRole}
+  APIBlockMembersForAll groupId memberIds blockFlag -> withUser $ \user ->
+    withGroupLock "blockForAll" groupId . procCmd $ do
+      Group gInfo members <- withFastStore $ \db -> getGroup db vr user groupId
+      when (selfSelected gInfo) $ throwChatError $ CECommandError "can't block/unblock self"
+      let (blockMems, remainingMems, maxRole, anyAdmin) = selectMembers members
+      when (length blockMems /= length memberIds) $ throwChatError CEGroupMemberNotFound
+      when (length memberIds > 1 && anyAdmin) $ throwChatError $ CECommandError "can't block/unblock multiple members when admins selected"
+      assertUserGroupRole gInfo $ max GRModerator maxRole
+      blockMembers user gInfo blockMems remainingMems
     where
-      splitMember mId ms = case break ((== mId) . groupMemberId') ms of
-        (_, []) -> Nothing
-        (ms1, bm : ms2) -> Just (bm, ms1 <> ms2)
-  APIRemoveMember groupId memberId -> withUser $ \user -> do
-    Group gInfo members <- withFastStore $ \db -> getGroup db vr user groupId
-    case find ((== memberId) . groupMemberId') members of
-      Nothing -> throwChatError CEGroupMemberNotFound
-      Just m@GroupMember {memberId = mId, memberRole = mRole, memberStatus = mStatus, memberProfile} -> do
-        assertUserGroupRole gInfo $ max GRAdmin mRole
-        withGroupLock "removeMember" groupId . procCmd $ do
-          case mStatus of
-            GSMemInvited -> do
-              deleteMemberConnection user m
-              withFastStore' $ \db -> deleteGroupMember db user m
-            _ -> do
-              msg <- sendGroupMessage user gInfo members $ XGrpMemDel mId
-              ci <- saveSndChatItem user (CDGroupSnd gInfo) msg (CISndGroupEvent $ SGEMemberDeleted memberId (fromLocalProfile memberProfile))
-              toView $ CRNewChatItems user [AChatItem SCTGroup SMDSnd (GroupChat gInfo) ci]
-              deleteMemberConnection' user m True
-              -- undeleted "member connected" chat item will prevent deletion of member record
-              deleteOrUpdateMemberRecord user m
-          pure $ CRUserDeletedMember user gInfo m {memberStatus = GSMemRemoved}
+      selfSelected GroupInfo {membership} = elem (groupMemberId' membership) memberIds
+      selectMembers :: [GroupMember] -> ([GroupMember], [GroupMember], GroupMemberRole, Bool)
+      selectMembers = foldr' addMember ([], [], GRObserver, False)
+        where
+          addMember m@GroupMember {groupMemberId, memberRole} (block, remaining, maxRole, anyAdmin)
+            | groupMemberId `elem` memberIds =
+                let maxRole' = max maxRole memberRole
+                    anyAdmin' = anyAdmin || memberRole >= GRAdmin
+                 in (m : block, remaining, maxRole', anyAdmin')
+            | otherwise = (block, m : remaining, maxRole, anyAdmin)
+      blockMembers :: User -> GroupInfo -> [GroupMember] -> [GroupMember] -> CM ChatResponse
+      blockMembers user gInfo blockMems remainingMems = case L.nonEmpty blockMems of
+        Nothing -> throwChatError $ CECommandError "no members to block/unblock"
+        Just blockMems' -> do
+          let mrs = if blockFlag then MRSBlocked else MRSUnrestricted
+              events = L.map (\GroupMember {memberId} -> XGrpMemRestrict memberId MemberRestrictions {restriction = mrs}) blockMems'
+          (msgs_, _gsr) <- sendGroupMessages user gInfo remainingMems events
+          let itemsData = zipWith (fmap . sndItemData) blockMems (L.toList msgs_)
+          cis_ <- saveSndChatItems user (CDGroupSnd gInfo) itemsData Nothing False
+          when (length cis_ /= length blockMems) $ logError "blockMembers: blockMems and cis_ length mismatch"
+          let acis = map (AChatItem SCTGroup SMDSnd (GroupChat gInfo)) $ rights cis_
+          unless (null acis) $ toView $ CRNewChatItems user acis
+          (errs, blocked) <- lift $ partitionEithers <$> withStoreBatch' (\db -> map (updateGroupMemberBlocked db user gInfo mrs) blockMems)
+          unless (null errs) $ toView $ CRChatErrors (Just user) errs
+          -- TODO not batched - requires agent batch api
+          forM_ blocked $ \m -> toggleNtf user m (not blockFlag)
+          pure CRMembersBlockedForAllUser {user, groupInfo = gInfo, members = blocked, blocked = blockFlag}
+        where
+          sndItemData :: GroupMember -> SndMessage -> NewSndChatItemData c
+          sndItemData GroupMember {groupMemberId, memberProfile} msg =
+            let content = CISndGroupEvent $ SGEMemberBlocked groupMemberId (fromLocalProfile memberProfile) blockFlag
+                ts = ciContentTexts content
+              in NewSndChatItemData msg content ts M.empty Nothing Nothing Nothing
+  APIRemoveMembers groupId memberIds -> withUser $ \user ->
+    withGroupLock "removeMembers" groupId . procCmd $ do
+      g@(Group gInfo members) <- withFastStore $ \db -> getGroup db vr user groupId
+      let (invitedMems, currentMems, maxRole, anyAdmin) = selectMembers members
+      when (length invitedMems + length currentMems /= length memberIds) $ throwChatError CEGroupMemberNotFound
+      when (length memberIds > 1 && anyAdmin) $ throwChatError $ CECommandError "can't remove multiple members when admins selected"
+      assertUserGroupRole gInfo $ max GRAdmin maxRole
+      (errs1, deleted1) <- deleteInvitedMems user invitedMems
+      (errs2, deleted2, acis) <- deleteCurrentMems user g currentMems
+      unless (null acis) $ toView $ CRNewChatItems user acis
+      let errs = errs1 <> errs2
+      unless (null errs) $ toView $ CRChatErrors (Just user) errs
+      pure $ CRUserDeletedMembers user gInfo (deleted1 <> deleted2) -- same order is not guaranteed
+    where
+      selectMembers :: [GroupMember] -> ([GroupMember], [GroupMember], GroupMemberRole, Bool)
+      selectMembers = foldr' addMember ([], [], GRObserver, False)
+        where
+          addMember m@GroupMember {groupMemberId, memberStatus, memberRole} (invited, current, maxRole, anyAdmin)
+            | groupMemberId `elem` memberIds =
+                let maxRole' = max maxRole memberRole
+                    anyAdmin' = anyAdmin || memberRole >= GRAdmin
+                 in
+                  if memberStatus == GSMemInvited
+                    then (m : invited, current, maxRole', anyAdmin')
+                    else (invited, m : current, maxRole', anyAdmin')
+            | otherwise = (invited, current, maxRole, anyAdmin)
+      deleteInvitedMems :: User -> [GroupMember] -> CM ([ChatError], [GroupMember])
+      deleteInvitedMems user memsToDelete = do
+        deleteMembersConnections user memsToDelete
+        lift $ partitionEithers <$> withStoreBatch' (\db -> map (delMember db) memsToDelete)
+        where
+          delMember db m = do
+            deleteGroupMember db user m
+            pure m {memberStatus = GSMemRemoved}
+      deleteCurrentMems :: User -> Group -> [GroupMember] -> CM ([ChatError], [GroupMember], [AChatItem])
+      deleteCurrentMems user (Group gInfo members) memsToDelete = case L.nonEmpty memsToDelete of
+        Nothing -> pure ([], [], [])
+        Just memsToDelete' -> do
+          let events = L.map (\GroupMember {memberId} -> XGrpMemDel memberId) memsToDelete'
+          (msgs_, _gsr) <- sendGroupMessages user gInfo members events
+          let itemsData = zipWith (fmap . sndItemData) memsToDelete (L.toList msgs_)
+          cis_ <- saveSndChatItems user (CDGroupSnd gInfo) itemsData Nothing False
+          when (length cis_ /= length memsToDelete) $ logError "deleteCurrentMems: memsToDelete and cis_ length mismatch"
+          deleteMembersConnections' user memsToDelete True
+          (errs, deleted) <- lift $ partitionEithers <$> withStoreBatch' (\db -> map (delMember db) memsToDelete)
+          let acis = map (AChatItem SCTGroup SMDSnd (GroupChat gInfo)) $ rights cis_
+          pure (errs, deleted, acis)
+          where
+            sndItemData :: GroupMember -> SndMessage -> NewSndChatItemData c
+            sndItemData GroupMember {groupMemberId, memberProfile} msg =
+              let content = CISndGroupEvent $ SGEMemberDeleted groupMemberId (fromLocalProfile memberProfile)
+                  ts = ciContentTexts content
+                in NewSndChatItemData msg content ts M.empty Nothing Nothing Nothing
+            delMember db m = do
+              deleteOrUpdateMemberRecordIO db user m
+              pure m {memberStatus = GSMemRemoved}
   APILeaveGroup groupId -> withUser $ \user@User {userId} -> do
     Group gInfo@GroupInfo {membership} members <- withFastStore $ \db -> getGroup db vr user groupId
     filesInfo <- withFastStore' $ \db -> getGroupFileInfo db user gInfo
@@ -2114,18 +2209,14 @@ processChatCommand' vr = \case
   JoinGroup gName enableNtfs -> withUser $ \user -> do
     groupId <- withFastStore $ \db -> getGroupIdByName db user gName
     processChatCommand $ APIJoinGroup groupId enableNtfs
-  MemberRole gName gMemberName memRole -> withMemberName gName gMemberName $ \gId gMemberId -> APIMemberRole gId gMemberId memRole
-  BlockForAll gName gMemberName blocked -> withMemberName gName gMemberName $ \gId gMemberId -> APIBlockMemberForAll gId gMemberId blocked
+  MemberRole gName gMemberName memRole -> withMemberName gName gMemberName $ \gId gMemberId -> APIMembersRole gId [gMemberId] memRole
+  BlockForAll gName gMemberName blocked -> withMemberName gName gMemberName $ \gId gMemberId -> APIBlockMembersForAll gId [gMemberId] blocked
   RemoveMembers gName gMemberNames -> withUser $ \user -> do
     (gId, gMemberIds) <- withStore $ \db -> do
       gId <- getGroupIdByName db user gName
       gMemberIds <- forM gMemberNames $ getGroupMemberIdByName db user gId
       pure (gId, gMemberIds)
-    rs <- forM (L.zip (L.fromList [1..]) gMemberIds) $ \(i, memId) -> do
-      r <- processChatCommand (APIRemoveMember gId memId)
-      when (i < length gMemberIds) $ toView r
-      pure r
-    pure $ L.last rs 
+    processChatCommand $ APIRemoveMembers gId gMemberIds
   LeaveGroup gName -> withUser $ \user -> do
     groupId <- withFastStore $ \db -> getGroupIdByName db user gName
     processChatCommand $ APILeaveGroup groupId
@@ -3090,7 +3181,7 @@ processChatCommand' vr = \case
           (msgs_, gsr) <- sendGroupMessages user gInfo ms chatMsgEvents
           let itemsData = prepareSndItemsData (L.toList cmrs) (L.toList ciFiles_) (L.toList quotedItems_) (L.toList msgs_)
           cis_ <- saveSndChatItems user (CDGroupSnd gInfo) itemsData timed_ live
-          when (length itemsData /= length cmrs) $ logError "sendGroupContentMessages: cmrs and cis_ length mismatch"
+          when (length cis_ /= length cmrs) $ logError "sendGroupContentMessages: cmrs and cis_ length mismatch"
           createMemberSndStatuses cis_ msgs_ gsr
           let r@(_, cis) = partitionEithers cis_
           processSendErrs user r
@@ -3795,9 +3886,9 @@ chatCommandP =
       "/_ntf conn messages " *> (ApiGetConnNtfMessages <$> strP),
       "/_add #" *> (APIAddMember <$> A.decimal <* A.space <*> A.decimal <*> memberRole),
       "/_join #" *> (APIJoinGroup <$> A.decimal <*> pure MFAll), -- needs to be changed to support in UI
-      "/_member role #" *> (APIMemberRole <$> A.decimal <* A.space <*> A.decimal <*> memberRole),
-      "/_block #" *> (APIBlockMemberForAll <$> A.decimal <* A.space <*> A.decimal <* A.space <* "blocked=" <*> onOffP),
-      "/_remove #" *> (APIRemoveMember <$> A.decimal <* A.space <*> A.decimal),
+      "/_member role #" *> (APIMembersRole <$> A.decimal <*> _strP <*> memberRole),
+      "/_block #" *> (APIBlockMembersForAll <$> A.decimal <*> _strP <* A.space <* "blocked=" <*> onOffP),
+      "/_remove #" *> (APIRemoveMembers <$> A.decimal <*> _strP),
       "/_leave #" *> (APILeaveGroup <$> A.decimal),
       "/_members #" *> (APIListMembers <$> A.decimal),
       "/_server test " *> (APITestProtoServer <$> A.decimal <* A.space <*> strP),
diff --git a/src/Simplex/Chat/Library/Internal.hs b/src/Simplex/Chat/Library/Internal.hs
index 4a62c4ccb6..eba1bf169f 100644
--- a/src/Simplex/Chat/Library/Internal.hs
+++ b/src/Simplex/Chat/Library/Internal.hs
@@ -1251,11 +1251,14 @@ deleteMemberConnection' user GroupMember {activeConn} waitDelivery = do
     withStore' $ \db -> updateConnectionStatus db conn ConnDeleted
 
 deleteOrUpdateMemberRecord :: User -> GroupMember -> CM ()
-deleteOrUpdateMemberRecord user@User {userId} member =
-  withStore' $ \db ->
-    checkGroupMemberHasItems db user member >>= \case
-      Just _ -> updateGroupMemberStatus db userId member GSMemRemoved
-      Nothing -> deleteGroupMember db user member
+deleteOrUpdateMemberRecord user member =
+  withStore' $ \db -> deleteOrUpdateMemberRecordIO db user member
+
+deleteOrUpdateMemberRecordIO :: DB.Connection -> User -> GroupMember -> IO ()
+deleteOrUpdateMemberRecordIO db user@User {userId} member =
+  checkGroupMemberHasItems db user member >>= \case
+    Just _ -> updateGroupMemberStatus db userId member GSMemRemoved
+    Nothing -> deleteGroupMember db user member
 
 sendDirectContactMessages :: MsgEncodingI e => User -> Contact -> NonEmpty (ChatMsgEvent e) -> CM [Either ChatError SndMessage]
 sendDirectContactMessages user ct events = do
diff --git a/src/Simplex/Chat/Library/Subscriber.hs b/src/Simplex/Chat/Library/Subscriber.hs
index 44ad4ccc85..087d49e49a 100644
--- a/src/Simplex/Chat/Library/Subscriber.hs
+++ b/src/Simplex/Chat/Library/Subscriber.hs
@@ -2608,7 +2608,7 @@ processAgentMessageConn vr user@User {userId} corrId agentConnId agentMessage =
 
     xGrpMemRestrict :: GroupInfo -> GroupMember -> MemberId -> MemberRestrictions -> RcvMessage -> UTCTime -> CM ()
     xGrpMemRestrict
-      gInfo@GroupInfo {groupId, membership = GroupMember {memberId = membershipMemId}}
+      gInfo@GroupInfo {membership = GroupMember {memberId = membershipMemId}}
       m@GroupMember {memberRole = senderRole}
       memId
       MemberRestrictions {restriction}
@@ -2619,10 +2619,11 @@ processAgentMessageConn vr user@User {userId} corrId agentConnId agentMessage =
             messageError "x.grp.mem.restrict: admin blocks you"
         | otherwise =
             withStore' (\db -> runExceptT $ getGroupMemberByMemberId db vr user gInfo memId) >>= \case
-              Right bm@GroupMember {groupMemberId = bmId, memberRole, memberProfile = bmp}
+              Right bm@GroupMember {groupMemberId = bmId, memberRole, blockedByAdmin, memberProfile = bmp}
+                | blockedByAdmin == mrsBlocked restriction -> pure ()
                 | senderRole < GRModerator || senderRole < memberRole -> messageError "x.grp.mem.restrict with insufficient member permissions"
                 | otherwise -> do
-                    bm' <- setMemberBlocked bmId
+                    bm' <- setMemberBlocked bm
                     toggleNtf user bm' (not blocked)
                     let ciContent = CIRcvGroupEvent $ RGEMemberBlocked bmId (fromLocalProfile bmp) blocked
                     ci <- saveRcvChatItemNoParse user (CDGroupRcv gInfo m) msg brokerTs ciContent
@@ -2630,14 +2631,11 @@ processAgentMessageConn vr user@User {userId} corrId agentConnId agentMessage =
                     toView CRMemberBlockedForAll {user, groupInfo = gInfo, byMember = m, member = bm, blocked}
               Left (SEGroupMemberNotFoundByMemberId _) -> do
                 bm <- createUnknownMember gInfo memId
-                bm' <- setMemberBlocked $ groupMemberId' bm
+                bm' <- setMemberBlocked bm
                 toView $ CRUnknownMemberBlocked user gInfo m bm'
               Left e -> throwError $ ChatErrorStore e
         where
-          setMemberBlocked bmId =
-            withStore $ \db -> do
-              liftIO $ updateGroupMemberBlocked db user groupId bmId restriction
-              getGroupMember db vr user groupId bmId
+          setMemberBlocked bm = withStore' $ \db -> updateGroupMemberBlocked db user gInfo restriction bm
           blocked = mrsBlocked restriction
 
     xGrpMemCon :: GroupInfo -> GroupMember -> MemberId -> CM ()
diff --git a/src/Simplex/Chat/Messages/CIContent/Events.hs b/src/Simplex/Chat/Messages/CIContent/Events.hs
index 74f7d94399..054530e06f 100644
--- a/src/Simplex/Chat/Messages/CIContent/Events.hs
+++ b/src/Simplex/Chat/Messages/CIContent/Events.hs
@@ -33,9 +33,9 @@ data RcvGroupEvent
 
 data SndGroupEvent
   = SGEMemberRole {groupMemberId :: GroupMemberId, profile :: Profile, role :: GroupMemberRole}
-  | SGEMemberBlocked {groupMemberId :: GroupMemberId, profile :: Profile, blocked :: Bool} -- CRMemberBlockedForAllUser
+  | SGEMemberBlocked {groupMemberId :: GroupMemberId, profile :: Profile, blocked :: Bool} -- CRMembersBlockedForAllUser
   | SGEUserRole {role :: GroupMemberRole}
-  | SGEMemberDeleted {groupMemberId :: GroupMemberId, profile :: Profile} -- CRUserDeletedMember
+  | SGEMemberDeleted {groupMemberId :: GroupMemberId, profile :: Profile} -- CRUserDeletedMembers
   | SGEUserLeft -- CRLeftMemberUser
   | SGEGroupUpdated {groupProfile :: GroupProfile} -- CRGroupUpdated
   deriving (Show)
diff --git a/src/Simplex/Chat/Store/Groups.hs b/src/Simplex/Chat/Store/Groups.hs
index 67722ebd0f..a1ce3ab269 100644
--- a/src/Simplex/Chat/Store/Groups.hs
+++ b/src/Simplex/Chat/Store/Groups.hs
@@ -2062,8 +2062,8 @@ updateGroupMemberSettings db User {userId} gId gMemberId GroupMemberSettings {sh
     |]
     (BI showMessages, currentTs, userId, gId, gMemberId)
 
-updateGroupMemberBlocked :: DB.Connection -> User -> GroupId -> GroupMemberId -> MemberRestrictionStatus -> IO ()
-updateGroupMemberBlocked db User {userId} gId gMemberId memberBlocked = do
+updateGroupMemberBlocked :: DB.Connection -> User -> GroupInfo -> MemberRestrictionStatus -> GroupMember -> IO GroupMember
+updateGroupMemberBlocked db User {userId} GroupInfo {groupId} mrs m@GroupMember {groupMemberId} = do
   currentTs <- getCurrentTime
   DB.execute
     db
@@ -2072,7 +2072,8 @@ updateGroupMemberBlocked db User {userId} gId gMemberId memberBlocked = do
       SET member_restriction = ?, updated_at = ?
       WHERE user_id = ? AND group_id = ? AND group_member_id = ?
     |]
-    (memberBlocked, currentTs, userId, gId, gMemberId)
+    (mrs, currentTs, userId, groupId, groupMemberId)
+  pure m {blockedByAdmin = mrsBlocked mrs}
 
 getXGrpMemIntroContDirect :: DB.Connection -> User -> Contact -> IO (Maybe (Int64, XGrpMemIntroCont))
 getXGrpMemIntroContDirect db User {userId} Contact {contactId} = do
diff --git a/src/Simplex/Chat/View.hs b/src/Simplex/Chat/View.hs
index a8c2d215a8..7a20cb2fb0 100644
--- a/src/Simplex/Chat/View.hs
+++ b/src/Simplex/Chat/View.hs
@@ -220,7 +220,9 @@ responseToView hu@(currentRH, user_) ChatConfig {logLevel, showReactions, showRe
   CRUserAcceptedGroupSent u _g _ -> ttyUser u [] -- [ttyGroup' g <> ": joining the group..."]
   CRGroupLinkConnecting u g _ -> ttyUser u [ttyGroup' g <> ": joining the group..."]
   CRBusinessLinkConnecting u g _ _ -> ttyUser u [ttyGroup' g <> ": joining the group..."]
-  CRUserDeletedMember u g m -> ttyUser u [ttyGroup' g <> ": you removed " <> ttyMember m <> " from the group"]
+  CRUserDeletedMembers u g members -> case members of
+    [m] -> ttyUser u [ttyGroup' g <> ": you removed " <> ttyMember m <> " from the group"]
+    mems' -> ttyUser u [ttyGroup' g <> ": you removed " <> sShow (length mems') <> " members from the group"]
   CRLeftMemberUser u g -> ttyUser u $ [ttyGroup' g <> ": you left the group"] <> groupPreserved g
   CRUnknownMemberCreated u g fwdM um -> ttyUser u [ttyGroup' g <> ": " <> ttyMember fwdM <> " forwarded a message from an unknown member, creating unknown member record " <> ttyMember um]
   CRUnknownMemberBlocked u g byM um -> ttyUser u [ttyGroup' g <> ": " <> ttyMember byM <> " blocked an unknown member, creating unknown member record " <> ttyMember um]
@@ -301,9 +303,9 @@ responseToView hu@(currentRH, user_) ChatConfig {logLevel, showReactions, showRe
   CRJoinedGroupMemberConnecting u g host m -> ttyUser u [ttyGroup' g <> ": " <> ttyMember host <> " added " <> ttyFullMember m <> " to the group (connecting...)"]
   CRConnectedToGroupMember u g m _ -> ttyUser u [ttyGroup' g <> ": " <> connectedMember m <> " is connected"]
   CRMemberRole u g by m r r' -> ttyUser u $ viewMemberRoleChanged g by m r r'
-  CRMemberRoleUser u g m r r' -> ttyUser u $ viewMemberRoleUserChanged g m r r'
+  CRMembersRoleUser u g members r' -> ttyUser u $ viewMemberRoleUserChanged g members r'
   CRMemberBlockedForAll u g by m blocked -> ttyUser u $ viewMemberBlockedForAll g by m blocked
-  CRMemberBlockedForAllUser u g m blocked -> ttyUser u $ viewMemberBlockedForAllUser g m blocked
+  CRMembersBlockedForAllUser u g members blocked -> ttyUser u $ viewMembersBlockedForAllUser g members blocked
   CRDeletedMemberUser u g by -> ttyUser u $ [ttyGroup' g <> ": " <> ttyMember by <> " removed you from the group"] <> groupPreserved g
   CRDeletedMember u g by m -> ttyUser u [ttyGroup' g <> ": " <> ttyMember by <> " removed " <> ttyMember m <> " from the group"]
   CRLeftMember u g m -> ttyUser u [ttyGroup' g <> ": " <> ttyMember m <> " left the group"]
@@ -1109,21 +1111,19 @@ viewMemberRoleChanged g@GroupInfo {membership} by m r r'
     memId = groupMemberId' m
     view s = [ttyGroup' g <> ": " <> ttyMember by <> " changed " <> s <> " from " <> showRole r <> " to " <> showRole r']
 
-viewMemberRoleUserChanged :: GroupInfo -> GroupMember -> GroupMemberRole -> GroupMemberRole -> [StyledString]
-viewMemberRoleUserChanged g@GroupInfo {membership} m r r'
-  | r == r' = [ttyGroup' g <> ": member role did not change"]
-  | groupMemberId' membership == groupMemberId' m = view "your role"
-  | otherwise = view $ "the role of " <> ttyMember m
-  where
-    view s = [ttyGroup' g <> ": you changed " <> s <> " from " <> showRole r <> " to " <> showRole r']
+viewMemberRoleUserChanged :: GroupInfo -> [GroupMember] -> GroupMemberRole -> [StyledString]
+viewMemberRoleUserChanged g members r = case members of
+  [m] -> [ttyGroup' g <> ": you changed the role of " <> ttyMember m <> " to " <> showRole r]
+  mems' -> [ttyGroup' g <> ": you changed the role of " <> sShow (length mems') <> " members to " <> showRole r]
 
 viewMemberBlockedForAll :: GroupInfo -> GroupMember -> GroupMember -> Bool -> [StyledString]
 viewMemberBlockedForAll g by m blocked =
   [ttyGroup' g <> ": " <> ttyMember by <> " " <> (if blocked then "blocked" else "unblocked") <> " " <> ttyMember m]
 
-viewMemberBlockedForAllUser :: GroupInfo -> GroupMember -> Bool -> [StyledString]
-viewMemberBlockedForAllUser g m blocked =
-  [ttyGroup' g <> ": you " <> (if blocked then "blocked" else "unblocked") <> " " <> ttyMember m]
+viewMembersBlockedForAllUser :: GroupInfo -> [GroupMember] -> Bool -> [StyledString]
+viewMembersBlockedForAllUser g members blocked = case members of
+  [m] -> [ttyGroup' g <> ": you " <> (if blocked then "blocked" else "unblocked") <> " " <> ttyMember m]
+  mems' -> [ttyGroup' g <> ": you " <> (if blocked then "blocked" else "unblocked") <> " " <> sShow (length mems') <> " members"]
 
 showRole :: GroupMemberRole -> StyledString
 showRole = plain . strEncode
diff --git a/tests/Bots/DirectoryTests.hs b/tests/Bots/DirectoryTests.hs
index 5bdc379cbf..2a9ad30dd2 100644
--- a/tests/Bots/DirectoryTests.hs
+++ b/tests/Bots/DirectoryTests.hs
@@ -122,7 +122,7 @@ testDirectoryService ps =
         bob <# "SimpleX-Directory> You must grant directory service admin role to register the group"
         bob ##> "/mr PSA SimpleX-Directory admin"
         -- putStrLn "*** discover service joins group and creates the link for profile"
-        bob <## "#PSA: you changed the role of SimpleX-Directory from member to admin"
+        bob <## "#PSA: you changed the role of SimpleX-Directory to admin"
         bob <# "SimpleX-Directory> Joining the group PSA…"
         bob <## "#PSA: SimpleX-Directory joined the group"
         bob <# "SimpleX-Directory> Joined the group PSA, creating the link…"
@@ -579,7 +579,7 @@ testDelistedRoleChanges ps =
         groupFoundN 3 cath "privacy"
         -- de-listed if service role changed
         bob ##> "/mr privacy SimpleX-Directory member"
-        bob <## "#privacy: you changed the role of SimpleX-Directory from admin to member"
+        bob <## "#privacy: you changed the role of SimpleX-Directory to member"
         cath <## "#privacy: bob changed the role of SimpleX-Directory from admin to member"
         bob <# "SimpleX-Directory> SimpleX-Directory role in the group ID 1 (privacy) is changed to member."
         bob <## ""
@@ -588,7 +588,7 @@ testDelistedRoleChanges ps =
         groupNotFound cath "privacy"
         -- re-listed if service role changed back without profile changes
         cath ##> "/mr privacy SimpleX-Directory admin"
-        cath <## "#privacy: you changed the role of SimpleX-Directory from member to admin"
+        cath <## "#privacy: you changed the role of SimpleX-Directory to admin"
         bob <## "#privacy: cath changed the role of SimpleX-Directory from member to admin"
         bob <# "SimpleX-Directory> SimpleX-Directory role in the group ID 1 (privacy) is changed to admin."
         bob <## ""
@@ -597,7 +597,7 @@ testDelistedRoleChanges ps =
         groupFoundN 3 cath "privacy"
         -- de-listed if owner role changed
         cath ##> "/mr privacy bob admin"
-        cath <## "#privacy: you changed the role of bob from owner to admin"
+        cath <## "#privacy: you changed the role of bob to admin"
         bob <## "#privacy: cath changed your role from owner to admin"
         bob <# "SimpleX-Directory> Your role in the group ID 1 (privacy) is changed to admin."
         bob <## ""
@@ -606,7 +606,7 @@ testDelistedRoleChanges ps =
         groupNotFound cath "privacy"
         -- re-listed if owner role changed back without profile changes
         cath ##> "/mr privacy bob owner"
-        cath <## "#privacy: you changed the role of bob from admin to owner"
+        cath <## "#privacy: you changed the role of bob to owner"
         bob <## "#privacy: cath changed your role from admin to owner"
         bob <# "SimpleX-Directory> Your role in the group ID 1 (privacy) is changed to owner."
         bob <## ""
@@ -627,7 +627,7 @@ testNotDelistedMemberRoleChanged ps =
         cath <## "use @SimpleX-Directory <message> to send messages"
         groupFoundN 3 cath "privacy"
         bob ##> "/mr privacy cath member"
-        bob <## "#privacy: you changed the role of cath from owner to member"
+        bob <## "#privacy: you changed the role of cath to member"
         cath <## "#privacy: bob changed your role from owner to member"
         groupFoundN 3 cath "privacy"
 
@@ -641,11 +641,11 @@ testNotSentApprovalBadRoles ps =
         submitGroup bob "privacy" "Privacy"
         welcomeWithLink <- groupAccepted bob "privacy"
         bob ##> "/mr privacy SimpleX-Directory member"
-        bob <## "#privacy: you changed the role of SimpleX-Directory from admin to member"
+        bob <## "#privacy: you changed the role of SimpleX-Directory to member"
         updateProfileWithLink bob "privacy" welcomeWithLink 1
         bob <# "SimpleX-Directory> You must grant directory service admin role to register the group"
         bob ##> "/mr privacy SimpleX-Directory admin"
-        bob <## "#privacy: you changed the role of SimpleX-Directory from member to admin"
+        bob <## "#privacy: you changed the role of SimpleX-Directory to admin"
         bob <# "SimpleX-Directory> SimpleX-Directory role in the group ID 1 (privacy) is changed to admin."
         bob <## ""
         bob <## "The group is submitted for approval."
@@ -666,14 +666,14 @@ testNotApprovedBadRoles ps =
         updateProfileWithLink bob "privacy" welcomeWithLink 1
         notifySuperUser superUser bob "privacy" "Privacy" welcomeWithLink 1
         bob ##> "/mr privacy SimpleX-Directory member"
-        bob <## "#privacy: you changed the role of SimpleX-Directory from admin to member"
+        bob <## "#privacy: you changed the role of SimpleX-Directory to member"
         let approve = "/approve 1:privacy 1"
         superUser #> ("@SimpleX-Directory " <> approve)
         superUser <# ("SimpleX-Directory> > " <> approve)
         superUser <## "      Group is not approved: SimpleX-Directory is not an admin."
         groupNotFound cath "privacy"
         bob ##> "/mr privacy SimpleX-Directory admin"
-        bob <## "#privacy: you changed the role of SimpleX-Directory from member to admin"
+        bob <## "#privacy: you changed the role of SimpleX-Directory to admin"
         bob <# "SimpleX-Directory> SimpleX-Directory role in the group ID 1 (privacy) is changed to admin."
         bob <## ""
         bob <## "The group is submitted for approval."
@@ -940,7 +940,7 @@ testListUserGroups ps =
         -- with de-listed group
         groupFound cath "anonymity"
         cath ##> "/mr anonymity SimpleX-Directory member"
-        cath <## "#anonymity: you changed the role of SimpleX-Directory from admin to member"
+        cath <## "#anonymity: you changed the role of SimpleX-Directory to member"
         cath <# "SimpleX-Directory> SimpleX-Directory role in the group ID 1 (anonymity) is changed to member."
         cath <## ""
         cath <## "The group is no longer listed in the directory."
diff --git a/tests/ChatTests/Groups.hs b/tests/ChatTests/Groups.hs
index 6625fb8094..14539ac219 100644
--- a/tests/ChatTests/Groups.hs
+++ b/tests/ChatTests/Groups.hs
@@ -173,7 +173,8 @@ chatGroupTests = do
     it "messages are fully deleted" testBlockForAllFullDelete
     it "another admin can unblock" testBlockForAllAnotherAdminUnblocks
     it "member was blocked before joining group" testBlockForAllBeforeJoining
-    it "can't repeat block, unblock" testBlockForAllCantRepeat
+    it "repeat block, unblock" testBlockForAllRepeat
+    it "block multiple members" testBlockForAllMultipleMembers
   describe "group member inactivity" $ do
     it "mark member inactive on reaching quota" testGroupMemberInactive
   describe "group member reports" $ do
@@ -265,7 +266,7 @@ testGroupShared alice bob cath checkMessages = do
   -- test observer role
   alice ##> "/mr team bob observer"
   concurrentlyN_
-    [ alice <## "#team: you changed the role of bob from admin to observer",
+    [ alice <## "#team: you changed the role of bob to observer",
       bob <## "#team: alice changed your role from admin to observer",
       cath <## "#team: alice changed the role of bob from admin to observer"
     ]
@@ -280,7 +281,7 @@ testGroupShared alice bob cath checkMessages = do
     ]
   alice ##> "/mr team bob admin"
   concurrentlyN_
-    [ alice <## "#team: you changed the role of bob from observer to admin",
+    [ alice <## "#team: you changed the role of bob to admin",
       bob <## "#team: alice changed your role from observer to admin",
       cath <## "#team: alice changed the role of bob from observer to admin"
     ]
@@ -1460,7 +1461,7 @@ testUpdateMemberRole =
       alice <## "to add members use /a team <name> or /create link #team"
       addMember "team" alice bob GRAdmin
       alice ##> "/mr team bob member"
-      alice <## "#team: you changed the role of bob from admin to member"
+      alice <## "#team: you changed the role of bob to member"
       bob <## "#team: alice invites you to join the group as member"
       bob <## "use /j team to accept"
       bob ##> "/j team"
@@ -1472,7 +1473,7 @@ testUpdateMemberRole =
       bob <## "#team: you have insufficient permissions for this action, the required role is admin"
       alice ##> "/mr team bob admin"
       concurrently_
-        (alice <## "#team: you changed the role of bob from member to admin")
+        (alice <## "#team: you changed the role of bob to admin")
         (bob <## "#team: alice changed your role from member to admin")
       bob ##> "/a team cath owner"
       bob <## "#team: you have insufficient permissions for this action, the required role is owner"
@@ -1488,13 +1489,7 @@ testUpdateMemberRole =
             alice <## "#team: new member cath is connected"
         ]
       alice ##> "/mr team alice admin"
-      concurrentlyN_
-        [ alice <## "#team: you changed your role from owner to admin",
-          bob <## "#team: alice changed the role from owner to admin",
-          cath <## "#team: alice changed the role from owner to admin"
-        ]
-      alice ##> "/d #team"
-      alice <## "#team: you have insufficient permissions for this action, the required role is owner"
+      alice <## "bad chat command: can't change role for self"
 
 testGroupDescription :: HasCallStack => TestParams -> IO ()
 testGroupDescription = testChat4 aliceProfile bobProfile cathProfile danProfile $ \alice bob cath dan -> do
@@ -1579,7 +1574,7 @@ testGroupModerate =
       -- disableFullDeletion3 "team" alice bob cath
       alice ##> "/mr team cath member"
       concurrentlyN_
-        [ alice <## "#team: you changed the role of cath from admin to member",
+        [ alice <## "#team: you changed the role of cath to member",
           bob <## "#team: alice changed the role of cath from admin to member",
           cath <## "#team: alice changed your role from admin to member"
         ]
@@ -1662,7 +1657,7 @@ testGroupModerateFullDelete =
       -- disableFullDeletion3 "team" alice bob cath
       alice ##> "/mr team cath member"
       concurrentlyN_
-        [ alice <## "#team: you changed the role of cath from admin to member",
+        [ alice <## "#team: you changed the role of cath to member",
           bob <## "#team: alice changed the role of cath from admin to member",
           cath <## "#team: alice changed your role from admin to member"
         ]
@@ -2691,7 +2686,7 @@ testGroupLinkMemberRole =
       bob <## "#team: you don't have permission to send messages"
 
       alice ##> "/mr #team bob member"
-      alice <## "#team: you changed the role of bob from observer to member"
+      alice <## "#team: you changed the role of bob to member"
       bob <## "#team: alice changed your role from observer to member"
 
       bob #> "#team hey now"
@@ -2721,7 +2716,7 @@ testGroupLinkMemberRole =
       cath <## "#team: you don't have permission to send messages"
 
       alice ##> "/mr #team cath admin"
-      alice <## "#team: you changed the role of cath from observer to admin"
+      alice <## "#team: you changed the role of cath to admin"
       cath <## "#team: alice changed your role from observer to admin"
       bob <## "#team: alice changed the role of cath from observer to admin"
 
@@ -2730,7 +2725,7 @@ testGroupLinkMemberRole =
       bob <# "#team cath> hey"
 
       cath ##> "/mr #team bob admin"
-      cath <## "#team: you changed the role of bob from member to admin"
+      cath <## "#team: you changed the role of bob to admin"
       bob <## "#team: cath changed your role from member to admin"
       alice <## "#team: cath changed the role of bob from member to admin"
 
@@ -4132,14 +4127,14 @@ testGroupMsgForwardReport =
 
       alice ##> "/mr team bob moderator"
       concurrentlyN_
-        [ alice <## "#team: you changed the role of bob from admin to moderator",
+        [ alice <## "#team: you changed the role of bob to moderator",
           bob <## "#team: alice changed your role from admin to moderator",
           cath <## "#team: alice changed the role of bob from admin to moderator"
         ]
 
       alice ##> "/mr team cath member"
       concurrentlyN_
-        [ alice <## "#team: you changed the role of cath from admin to member",
+        [ alice <## "#team: you changed the role of cath to member",
           bob <## "#team: alice changed the role of cath from admin to member",
           cath <## "#team: alice changed your role from admin to member"
         ]
@@ -4157,7 +4152,7 @@ testGroupMsgForwardReport =
 
       alice ##> "/mr team bob member"
       concurrentlyN_
-        [ alice <## "#team: you changed the role of bob from moderator to member",
+        [ alice <## "#team: you changed the role of bob to member",
           bob <## "#team: alice changed your role from moderator to member",
           cath <## "#team: alice changed the role of bob from moderator to member"
         ]
@@ -4315,7 +4310,7 @@ testGroupMsgForwardChangeRole =
       setupGroupForwarding3 "team" alice bob cath
 
       cath ##> "/mr #team bob member"
-      cath <## "#team: you changed the role of bob from admin to member"
+      cath <## "#team: you changed the role of bob to member"
       alice <## "#team: cath changed the role of bob from admin to member"
       bob <## "#team: cath changed your role from admin to member" -- TODO show as forwarded
 
@@ -5942,19 +5937,13 @@ testBlockForAllBeforeJoining =
       cc <## "#team: alice added dan (Daniel) to the group (connecting...)"
       cc <## "#team: new member dan is connected"
 
-testBlockForAllCantRepeat :: HasCallStack => TestParams -> IO ()
-testBlockForAllCantRepeat =
+testBlockForAllRepeat :: HasCallStack => TestParams -> IO ()
+testBlockForAllRepeat =
   testChat3 aliceProfile bobProfile cathProfile $
     \alice bob cath -> do
       createGroup3 "team" alice bob cath
       -- disableFullDeletion3 "team" alice bob cath
 
-      alice ##> "/unblock for all #team bob"
-      alice <## "bad chat command: already unblocked"
-
-      cath ##> "/unblock for all #team bob"
-      cath <## "bad chat command: already unblocked"
-
       bob #> "#team 1"
       [alice, cath] *<# "#team bob> 1"
 
@@ -5964,10 +5953,10 @@ testBlockForAllCantRepeat =
       bob <// 50000
 
       alice ##> "/block for all #team bob"
-      alice <## "bad chat command: already blocked"
+      alice <## "#team: you blocked bob"
 
       cath ##> "/block for all #team bob"
-      cath <## "bad chat command: already blocked"
+      cath <## "#team: you blocked bob"
 
       bob #> "#team 2"
       alice <# "#team bob> 2 [blocked by admin] <muted>"
@@ -5979,16 +5968,92 @@ testBlockForAllCantRepeat =
       bob <// 50000
 
       alice ##> "/unblock for all #team bob"
-      alice <## "bad chat command: already unblocked"
+      alice <## "#team: you unblocked bob"
 
       cath ##> "/unblock for all #team bob"
-      cath <## "bad chat command: already unblocked"
+      cath <## "#team: you unblocked bob"
 
       bob #> "#team 3"
       [alice, cath] *<# "#team bob> 3"
 
       bob #$> ("/_get chat #1 count=3", chat, [(1, "1"), (1, "2"), (1, "3")])
 
+testBlockForAllMultipleMembers :: HasCallStack => TestParams -> IO ()
+testBlockForAllMultipleMembers =
+  testChat4 aliceProfile bobProfile cathProfile danProfile $
+    \alice bob cath dan -> do
+      createGroup3 "team" alice bob cath
+
+      connectUsers alice dan
+      addMember "team" alice dan GRMember
+      dan ##> "/j team"
+      concurrentlyN_
+        [ alice <## "#team: dan joined the group",
+          do
+            dan <## "#team: you joined the group"
+            dan
+              <### [ "#team: member bob (Bob) is connected",
+                     "#team: member cath (Catherine) is connected"
+                   ],
+          do
+            bob <## "#team: alice added dan (Daniel) to the group (connecting...)"
+            bob <## "#team: new member dan is connected",
+          do
+            cath <## "#team: alice added dan (Daniel) to the group (connecting...)"
+            cath <## "#team: new member dan is connected"
+        ]
+
+      -- lower roles to for batch block to be allowed (can't batch block if admins are selected)
+      alice ##> "/mr team bob member"
+      concurrentlyN_
+        [ alice <## "#team: you changed the role of bob to member",
+          bob <## "#team: alice changed your role from admin to member",
+          cath <## "#team: alice changed the role of bob from admin to member",
+          dan <## "#team: alice changed the role of bob from admin to member"
+        ]
+      alice ##> "/mr team cath member"
+      concurrentlyN_
+        [ alice <## "#team: you changed the role of cath to member",
+          bob <## "#team: alice changed the role of cath from admin to member",
+          cath <## "#team: alice changed your role from admin to member",
+          dan <## "#team: alice changed the role of cath from admin to member"
+        ]
+
+      bob #> "#team 1"
+      [alice, cath, dan] *<# "#team bob> 1"
+
+      cath #> "#team 2"
+      [alice, bob, dan] *<# "#team cath> 2"
+
+      alice ##> "/_block #1 2,3 blocked=on"
+      alice <## "#team: you blocked 2 members"
+      dan <## "#team: alice blocked bob"
+      dan <## "#team: alice blocked cath"
+      bob <// 50000
+      cath <// 50000
+
+      -- bob and cath don't know they are blocked and receive each other's messages
+      bob #> "#team 3"
+      [alice, dan] *<# "#team bob> 3 [blocked by admin] <muted>"
+      cath <# "#team bob> 3"
+
+      cath #> "#team 4"
+      [alice, dan] *<# "#team cath> 4 [blocked by admin] <muted>"
+      bob <# "#team cath> 4"
+
+      alice ##> "/_block #1 2,3 blocked=off"
+      alice <## "#team: you unblocked 2 members"
+      dan <## "#team: alice unblocked bob"
+      dan <## "#team: alice unblocked cath"
+      bob <// 50000
+      cath <// 50000
+
+      bob #> "#team 5"
+      [alice, cath, dan] *<# "#team bob> 5"
+
+      cath #> "#team 6"
+      [alice, bob, dan] *<# "#team cath> 6"
+
 testGroupMemberInactive :: HasCallStack => TestParams -> IO ()
 testGroupMemberInactive ps = do
   withSmpServer' serverCfg' $ do
@@ -6067,13 +6132,13 @@ testGroupMemberReports =
       -- disableFullDeletion3 "jokes" alice bob cath
       alice ##> "/mr jokes bob moderator"
       concurrentlyN_
-        [ alice <## "#jokes: you changed the role of bob from admin to moderator",
+        [ alice <## "#jokes: you changed the role of bob to moderator",
           bob <## "#jokes: alice changed your role from admin to moderator",
           cath <## "#jokes: alice changed the role of bob from admin to moderator"
         ]
       alice ##> "/mr jokes cath member"
       concurrentlyN_
-        [ alice <## "#jokes: you changed the role of cath from admin to member",
+        [ alice <## "#jokes: you changed the role of cath to member",
           bob <## "#jokes: alice changed the role of cath from admin to member",
           cath <## "#jokes: alice changed your role from admin to member"
         ]
diff --git a/tests/ChatTests/Profiles.hs b/tests/ChatTests/Profiles.hs
index 4ab5e8fbd3..5d2b9f5ba8 100644
--- a/tests/ChatTests/Profiles.hs
+++ b/tests/ChatTests/Profiles.hs
@@ -773,7 +773,7 @@ testBusinessUpdateProfiles = withTestOutput $ testChat4 businessProfile alicePro
     biz <# "#alisa alisa_1> hello again"
     -- customer can invite members too, if business allows
     biz ##> "/mr alisa alisa_1 admin"
-    biz <## "#alisa: you changed the role of alisa_1 from member to admin"
+    biz <## "#alisa: you changed the role of alisa_1 to admin"
     alice <## "#biz: biz_1 changed your role from member to admin"
     connectUsers alice bob
     alice ##> "/a #biz bob"