diff --git a/package/src/components/AttachmentPicker/components/AttachmentMediaPicker/AttachmentPickerItem.tsx b/package/src/components/AttachmentPicker/components/AttachmentMediaPicker/AttachmentPickerItem.tsx
index 7e274e4273..92e9e67bee 100644
--- a/package/src/components/AttachmentPicker/components/AttachmentMediaPicker/AttachmentPickerItem.tsx
+++ b/package/src/components/AttachmentPicker/components/AttachmentMediaPicker/AttachmentPickerItem.tsx
@@ -228,7 +228,8 @@ const useStyles = () => {
       margin: 1,
       alignItems: 'center',
       justifyContent: 'center',
-      backgroundColor: semantics.backgroundCoreSurfaceSubtle,
+      backgroundColor: semantics.backgroundCoreSurfaceCard,
+      gap: primitives.spacingXs,
     },
     iosLimitedIcon: {
       color: semantics.textTertiary,
diff --git a/package/src/components/Message/hooks/useMessageActions.tsx b/package/src/components/Message/hooks/useMessageActions.tsx
index f2b383e1fa..a1451d4b65 100644
--- a/package/src/components/Message/hooks/useMessageActions.tsx
+++ b/package/src/components/Message/hooks/useMessageActions.tsx
@@ -1,4 +1,5 @@
 import React, { useMemo } from 'react';
+import { Alert } from 'react-native';
 
 import { LocalMessage } from 'stream-chat';
 
@@ -244,18 +245,41 @@ export const useMessageActions = ({
     onOpenThread();
   });
 
+  const isMuted = useUserMuteActive(message.user);
+  const isBlocked = new Set(client.blockedUsers.getLatestValue().userIds).has(
+    message.user?.id ?? '',
+  );
+
   const onBlockUser = useStableCallback(() => {
     if (handleBlockUser) {
       handleBlockUser(message.user);
     }
 
-    handleToggleBlockUser(message.user);
-  });
+    if (isBlocked) {
+      handleToggleBlockUser(message.user);
+      return;
+    }
 
-  const isMuted = useUserMuteActive(message.user);
-  const isBlocked = new Set(client.blockedUsers.getLatestValue().userIds).has(
-    message.user?.id ?? '',
-  );
+    const name = message.user?.name || message.user?.id || '';
+
+    Alert.alert(
+      t('Block {{ name }}', { name }),
+      t("They won't be able to message or call you. You can unblock them later."),
+      [
+        {
+          style: 'cancel',
+          text: t('Cancel'),
+        },
+        {
+          onPress: () => {
+            handleToggleBlockUser(message.user);
+          },
+          style: 'destructive',
+          text: t('Block'),
+        },
+      ],
+    );
+  });
 
   return useMemo(() => {
     const handleReaction =
diff --git a/package/src/hooks/actions/__tests__/useChannelActionItems.test.tsx b/package/src/hooks/actions/__tests__/useChannelActionItems.test.tsx
index 229dcff90d..f3bb3d4c57 100644
--- a/package/src/hooks/actions/__tests__/useChannelActionItems.test.tsx
+++ b/package/src/hooks/actions/__tests__/useChannelActionItems.test.tsx
@@ -105,7 +105,7 @@ describe('useChannelActionItems', () => {
     expect(result.current.map((item) => item.action)).toEqual([
       channelActions.muteChannel,
       channelActions.pin,
-      channelActions.leave,
+      expect.any(Function),
       expect.any(Function),
     ]);
     expect(result.current.map((item) => item.id)).toEqual([
@@ -268,7 +268,7 @@ describe('getChannelActionItems', () => {
     expect(actionItems.map((item) => item.action)).toEqual([
       channelActions.muteChannel,
       channelActions.pin,
-      channelActions.leave,
+      expect.any(Function),
       expect.any(Function),
     ]);
     expect(actionItems.map((item) => item.id)).toEqual(['mute', 'pin', 'leave', 'deleteChannel']);
@@ -308,7 +308,7 @@ describe('getChannelActionItems', () => {
       channelActions.pin,
       channelActions.unmuteUser,
       channelActions.unblockUser,
-      channelActions.leave,
+      expect.any(Function),
       expect.any(Function),
     ]);
     expect(actionItems.map((item) => item.label)).toEqual([
@@ -383,7 +383,7 @@ describe('getChannelActionItems', () => {
     expect(actionItems[0].placement).toBe('swipe');
 
     const leaveItem = actionItems.find((item) => item.id === 'leave');
-    expect(leaveItem?.action).toBe(channelActions.leave);
+    expect(leaveItem?.action).toEqual(expect.any(Function));
     expect(leaveItem?.label).toBe('Leave Group');
     expect(leaveItem?.placement).toBe('sheet');
   });
diff --git a/package/src/hooks/actions/__tests__/useChannelMemberActionItems.test.tsx b/package/src/hooks/actions/__tests__/useChannelMemberActionItems.test.tsx
index edf5ec747a..aac6326a68 100644
--- a/package/src/hooks/actions/__tests__/useChannelMemberActionItems.test.tsx
+++ b/package/src/hooks/actions/__tests__/useChannelMemberActionItems.test.tsx
@@ -76,7 +76,7 @@ describe('useChannelMemberActionItems', () => {
     expect(result.current.map((item) => item.id)).toEqual(['muteUser', 'block']);
     expect(result.current.map((item) => item.action)).toEqual([
       userActions.muteUser,
-      userActions.blockUser,
+      expect.any(Function),
     ]);
     expect(result.current.map((item) => item.type)).toEqual(['standard', 'destructive']);
     expect(result.current.map((item) => item.label)).toEqual(['Mute User', 'Block User']);
@@ -259,7 +259,7 @@ describe('buildDefaultChannelMemberActionItems', () => {
     });
 
     expect(items.map((item) => item.id)).toEqual(['muteUser', 'block']);
-    expect(items.map((item) => item.action)).toEqual([actions.muteUser, actions.blockUser]);
+    expect(items.map((item) => item.action)).toEqual([actions.muteUser, expect.any(Function)]);
     expect(items.map((item) => item.label)).toEqual(['Mute User', 'Block User']);
     expect(items.map((item) => item.type)).toEqual(['standard', 'destructive']);
   });
@@ -335,7 +335,7 @@ describe('buildDefaultChannelMemberActionItems', () => {
     });
 
     expect(items.find((item) => item.id === 'muteUser')?.action).toBe(actions.unmuteUser);
-    expect(items.find((item) => item.id === 'block')?.action).toBe(actions.blockUser);
+    expect(items.find((item) => item.id === 'block')?.action).toEqual(expect.any(Function));
   });
 
   it('default getChannelMemberActionItems returns defaultItems unchanged', () => {
diff --git a/package/src/hooks/actions/useChannelActionItems.tsx b/package/src/hooks/actions/useChannelActionItems.tsx
index ec69e617fb..4f3a868eb0 100644
--- a/package/src/hooks/actions/useChannelActionItems.tsx
+++ b/package/src/hooks/actions/useChannelActionItems.tsx
@@ -179,8 +179,31 @@ export const buildDefaultChannelActionItems: BuildDefaultChannelActionItems = (
       type: 'standard',
     });
 
+    const blockUserWithConfirmation = (...args: Parameters<ChannelActionHandler>) => {
+      const otherUser = getOtherUserInDirectChannel(channel)?.user;
+      const name = otherUser?.name || otherUser?.id || '';
+
+      Alert.alert(
+        t('Block {{ name }}', { name }),
+        t("They won't be able to message or call you. You can unblock them later."),
+        [
+          {
+            style: 'cancel',
+            text: t('Cancel'),
+          },
+          {
+            onPress: async () => {
+              await blockUser(...args);
+            },
+            style: 'destructive',
+            text: t('Block'),
+          },
+        ],
+      );
+    };
+
     actionItems.push({
-      action: isBlocked ? unblockUser : blockUser,
+      action: isBlocked ? unblockUser : blockUserWithConfirmation,
       Icon: (props) => <ChannelActionsIcon Icon={BlockUser} {...props} />,
       id: 'block',
       label: isBlocked ? t('Unblock User') : t('Block User'),
@@ -189,8 +212,39 @@ export const buildDefaultChannelActionItems: BuildDefaultChannelActionItems = (
     });
   }
 
+  const leaveWithConfirmation = (...args: Parameters<ChannelActionHandler>) => {
+    const channelName = channel.data?.name;
+    let name: string;
+    if (channelName) {
+      name = channelName;
+    } else if (isDirectChat) {
+      const otherUser = getOtherUserInDirectChannel(channel)?.user;
+      name = otherUser?.name || otherUser?.id || '';
+    } else {
+      name = t('group');
+    }
+
+    Alert.alert(
+      isDirectChat ? t('Leave Chat') : t('Leave Group'),
+      t("You'll stop receiving messages from {{ name }}. You can rejoin anytime.", { name }),
+      [
+        {
+          style: 'cancel',
+          text: t('Cancel'),
+        },
+        {
+          onPress: async () => {
+            await leave(...args);
+          },
+          style: 'destructive',
+          text: t('Leave'),
+        },
+      ],
+    );
+  };
+
   actionItems.push({
-    action: leave,
+    action: leaveWithConfirmation,
     Icon: (props) => <ChannelActionsIcon Icon={ArrowBoxLeft} {...props} />,
     id: 'leave',
     label: isDirectChat ? t('Leave Chat') : t('Leave Group'),
diff --git a/package/src/hooks/actions/useChannelMemberActionItems.tsx b/package/src/hooks/actions/useChannelMemberActionItems.tsx
index 27d35bcedf..25c056c550 100644
--- a/package/src/hooks/actions/useChannelMemberActionItems.tsx
+++ b/package/src/hooks/actions/useChannelMemberActionItems.tsx
@@ -83,7 +83,29 @@ export const buildDefaultChannelMemberActionItems: BuildDefaultChannelMemberActi
         type: 'standard',
       },
       {
-        action: isBlocked ? unblockUser : blockUser,
+        action: isBlocked
+          ? unblockUser
+          : (...args: Parameters<UserActions['blockUser']>) => {
+              const name = member.user?.name || member.user?.id || '';
+
+              Alert.alert(
+                t('Block {{ name }}', { name }),
+                t("They won't be able to message or call you. You can unblock them later."),
+                [
+                  {
+                    style: 'cancel',
+                    text: t('Cancel'),
+                  },
+                  {
+                    onPress: async () => {
+                      await blockUser(...args);
+                    },
+                    style: 'destructive',
+                    text: t('Block'),
+                  },
+                ],
+              );
+            },
         Icon: (props) => <ChannelMemberActionsIcon Icon={BlockUser} {...props} />,
         id: 'block',
         label: isBlocked ? t('Unblock User') : t('Block User'),
diff --git a/package/src/i18n/ar.json b/package/src/i18n/ar.json
index aee82a8d02..0986f13809 100644
--- a/package/src/i18n/ar.json
+++ b/package/src/i18n/ar.json
@@ -457,5 +457,11 @@
   "Pin Chat": "تثبيت الدردشة",
   "Pin Group": "تثبيت المجموعة",
   "Unpin Chat": "إلغاء تثبيت الدردشة",
-  "Unpin Group": "إلغاء تثبيت المجموعة"
+  "Unpin Group": "إلغاء تثبيت المجموعة",
+  "Block": "حظر",
+  "Block {{ name }}": "حظر {{ name }}",
+  "They won't be able to message or call you. You can unblock them later.": "لن يتمكن/تتمكن من مراسلتك أو الاتصال بك. يمكنك إلغاء الحظر لاحقًا.",
+  "Leave": "مغادرة",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "ستتوقف عن تلقي الرسائل من {{ name }}. يمكنك الانضمام مجددًا في أي وقت.",
+  "group": "المجموعة"
 }
diff --git a/package/src/i18n/en.json b/package/src/i18n/en.json
index d9f62353f1..ba6beb1c9e 100644
--- a/package/src/i18n/en.json
+++ b/package/src/i18n/en.json
@@ -242,6 +242,12 @@
   "No conversations yet": "No conversations yet",
   "Are you sure you want to delete this group? This can't be undone.": "Are you sure you want to delete this group? This can't be undone.",
   "Are you sure you want to delete this chat? This can't be undone.": "Are you sure you want to delete this chat? This can't be undone.",
+  "Block": "Block",
+  "Block {{ name }}": "Block {{ name }}",
+  "They won't be able to message or call you. You can unblock them later.": "They won't be able to message or call you. You can unblock them later.",
+  "Leave": "Leave",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "You'll stop receiving messages from {{ name }}. You can rejoin anytime.",
+  "group": "this group",
   "Delete chat": "Delete chat",
   "Delete group": "Delete group",
   "Archive Chat": "Archive Chat",
diff --git a/package/src/i18n/es.json b/package/src/i18n/es.json
index 1f2a75a753..cd76ae5a3d 100644
--- a/package/src/i18n/es.json
+++ b/package/src/i18n/es.json
@@ -457,5 +457,11 @@
   "Pin Chat": "Fijar chat",
   "Pin Group": "Fijar grupo",
   "Unpin Chat": "Desfijar chat",
-  "Unpin Group": "Desfijar grupo"
+  "Unpin Group": "Desfijar grupo",
+  "Block": "Bloquear",
+  "Block {{ name }}": "Bloquear a {{ name }}",
+  "They won't be able to message or call you. You can unblock them later.": "No podrá enviarte mensajes ni llamarte. Puedes desbloquearlo más tarde.",
+  "Leave": "Salir",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "Dejarás de recibir mensajes de {{ name }}. Puedes volver a unirte cuando quieras.",
+  "group": "el grupo"
 }
diff --git a/package/src/i18n/fr.json b/package/src/i18n/fr.json
index 1b52d874f3..535e948bc3 100644
--- a/package/src/i18n/fr.json
+++ b/package/src/i18n/fr.json
@@ -457,5 +457,11 @@
   "Pin Chat": "Épingler la discussion",
   "Pin Group": "Épingler le groupe",
   "Unpin Chat": "Détacher la discussion",
-  "Unpin Group": "Détacher le groupe"
+  "Unpin Group": "Détacher le groupe",
+  "Block": "Bloquer",
+  "Block {{ name }}": "Bloquer {{ name }}",
+  "They won't be able to message or call you. You can unblock them later.": "Cette personne ne pourra plus vous envoyer de messages ni vous appeler. Vous pourrez la débloquer plus tard.",
+  "Leave": "Quitter",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "Vous ne recevrez plus de messages de {{ name }}. Vous pouvez rejoindre à tout moment.",
+  "group": "ce groupe"
 }
diff --git a/package/src/i18n/he.json b/package/src/i18n/he.json
index 417a18aca5..b9d6cc8615 100644
--- a/package/src/i18n/he.json
+++ b/package/src/i18n/he.json
@@ -457,5 +457,11 @@
   "Pin Chat": "הצמד/י צ'אט",
   "Pin Group": "הצמד/י קבוצה",
   "Unpin Chat": "בטל/י הצמדת צ'אט",
-  "Unpin Group": "בטל/י הצמדת קבוצה"
+  "Unpin Group": "בטל/י הצמדת קבוצה",
+  "Block": "חסום/חסמי",
+  "Block {{ name }}": "חסימת {{ name }}",
+  "They won't be able to message or call you. You can unblock them later.": "הוא/היא לא יוכל/תוכל לשלוח לך הודעות או להתקשר אליך. ניתן לבטל את החסימה מאוחר יותר.",
+  "Leave": "צא/י",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "תפסיק/תפסיקי לקבל הודעות מ-{{ name }}. ניתן להצטרף בחזרה בכל עת.",
+  "group": "הקבוצה"
 }
diff --git a/package/src/i18n/hi.json b/package/src/i18n/hi.json
index 3e89355001..18dd3f6150 100644
--- a/package/src/i18n/hi.json
+++ b/package/src/i18n/hi.json
@@ -457,5 +457,11 @@
   "Pin Chat": "चैट पिन करें",
   "Pin Group": "ग्रुप पिन करें",
   "Unpin Chat": "चैट अनपिन करें",
-  "Unpin Group": "ग्रुप अनपिन करें"
+  "Unpin Group": "ग्रुप अनपिन करें",
+  "Block": "ब्लॉक करें",
+  "Block {{ name }}": "{{ name }} को ब्लॉक करें",
+  "They won't be able to message or call you. You can unblock them later.": "वे आपको संदेश या कॉल नहीं कर पाएंगे। आप उन्हें बाद में अनब्लॉक कर सकते हैं।",
+  "Leave": "छोड़ें",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "आपको {{ name }} से संदेश मिलना बंद हो जाएंगे। आप कभी भी दोबारा जुड़ सकते हैं।",
+  "group": "ग्रुप"
 }
diff --git a/package/src/i18n/it.json b/package/src/i18n/it.json
index 836e5ed082..1d36d90e7d 100644
--- a/package/src/i18n/it.json
+++ b/package/src/i18n/it.json
@@ -457,5 +457,11 @@
   "Pin Chat": "Fissa chat",
   "Pin Group": "Fissa gruppo",
   "Unpin Chat": "Sfissa chat",
-  "Unpin Group": "Sfissa gruppo"
+  "Unpin Group": "Sfissa gruppo",
+  "Block": "Blocca",
+  "Block {{ name }}": "Blocca {{ name }}",
+  "They won't be able to message or call you. You can unblock them later.": "Non potrà inviarti messaggi né chiamarti. Potrai sbloccarlo in seguito.",
+  "Leave": "Esci",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "Non riceverai più messaggi da {{ name }}. Puoi rientrare in qualsiasi momento.",
+  "group": "il gruppo"
 }
diff --git a/package/src/i18n/ja.json b/package/src/i18n/ja.json
index 0eaf022c44..a922096586 100644
--- a/package/src/i18n/ja.json
+++ b/package/src/i18n/ja.json
@@ -457,5 +457,11 @@
   "Pin Chat": "チャットをピン留め",
   "Pin Group": "グループをピン留め",
   "Unpin Chat": "チャットのピン留めを解除",
-  "Unpin Group": "グループのピン留めを解除"
+  "Unpin Group": "グループのピン留めを解除",
+  "Block": "ブロック",
+  "Block {{ name }}": "{{ name }} をブロック",
+  "They won't be able to message or call you. You can unblock them later.": "メッセージや通話ができなくなります。あとでブロックを解除することもできます。",
+  "Leave": "退出",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "{{ name }} からのメッセージが届かなくなります。いつでも再参加できます。",
+  "group": "グループ"
 }
diff --git a/package/src/i18n/ko.json b/package/src/i18n/ko.json
index 69a3ac277f..9d37ff60c3 100644
--- a/package/src/i18n/ko.json
+++ b/package/src/i18n/ko.json
@@ -457,5 +457,11 @@
   "Pin Chat": "채팅 고정",
   "Pin Group": "그룹 고정",
   "Unpin Chat": "채팅 고정 해제",
-  "Unpin Group": "그룹 고정 해제"
+  "Unpin Group": "그룹 고정 해제",
+  "Block": "차단",
+  "Block {{ name }}": "{{ name }} 차단",
+  "They won't be able to message or call you. You can unblock them later.": "메시지를 보내거나 전화를 걸 수 없게 됩니다. 나중에 차단을 해제할 수 있습니다.",
+  "Leave": "나가기",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "{{ name }}에서 더 이상 메시지를 받지 않게 됩니다. 언제든지 다시 참여할 수 있습니다.",
+  "group": "그룹"
 }
diff --git a/package/src/i18n/nl.json b/package/src/i18n/nl.json
index 0a25467b5d..06233b7411 100644
--- a/package/src/i18n/nl.json
+++ b/package/src/i18n/nl.json
@@ -457,5 +457,11 @@
   "Pin Chat": "Chat vastmaken",
   "Pin Group": "Groep vastmaken",
   "Unpin Chat": "Chat losmaken",
-  "Unpin Group": "Groep losmaken"
+  "Unpin Group": "Groep losmaken",
+  "Block": "Blokkeren",
+  "Block {{ name }}": "{{ name }} blokkeren",
+  "They won't be able to message or call you. You can unblock them later.": "Deze persoon kan je geen berichten sturen of bellen. Je kunt de blokkering later opheffen.",
+  "Leave": "Verlaten",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "Je ontvangt geen berichten meer van {{ name }}. Je kunt op elk moment opnieuw deelnemen.",
+  "group": "de groep"
 }
diff --git a/package/src/i18n/pt-br.json b/package/src/i18n/pt-br.json
index cb231cff17..7b1e221e41 100644
--- a/package/src/i18n/pt-br.json
+++ b/package/src/i18n/pt-br.json
@@ -457,5 +457,11 @@
   "Pin Chat": "Fixar conversa",
   "Pin Group": "Fixar grupo",
   "Unpin Chat": "Desafixar conversa",
-  "Unpin Group": "Desafixar grupo"
+  "Unpin Group": "Desafixar grupo",
+  "Block": "Bloquear",
+  "Block {{ name }}": "Bloquear {{ name }}",
+  "They won't be able to message or call you. You can unblock them later.": "Essa pessoa não poderá enviar mensagens ou ligar para você. Você pode desbloqueá-la mais tarde.",
+  "Leave": "Sair",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "Você deixará de receber mensagens de {{ name }}. Pode entrar novamente a qualquer momento.",
+  "group": "o grupo"
 }
diff --git a/package/src/i18n/ru.json b/package/src/i18n/ru.json
index c00518ad09..dc52963fb2 100644
--- a/package/src/i18n/ru.json
+++ b/package/src/i18n/ru.json
@@ -457,5 +457,11 @@
   "Pin Chat": "Закрепить чат",
   "Pin Group": "Закрепить группу",
   "Unpin Chat": "Открепить чат",
-  "Unpin Group": "Открепить группу"
+  "Unpin Group": "Открепить группу",
+  "Block": "Заблокировать",
+  "Block {{ name }}": "Заблокировать {{ name }}",
+  "They won't be able to message or call you. You can unblock them later.": "Он не сможет писать вам и звонить. Вы сможете снять блокировку позже.",
+  "Leave": "Покинуть",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "Вы перестанете получать сообщения от {{ name }}. Вы можете присоединиться снова в любое время.",
+  "group": "группы"
 }
diff --git a/package/src/i18n/tr.json b/package/src/i18n/tr.json
index 09c88e25ae..f467b1f249 100644
--- a/package/src/i18n/tr.json
+++ b/package/src/i18n/tr.json
@@ -457,5 +457,11 @@
   "Pin Chat": "Sohbeti sabitle",
   "Pin Group": "Grubu sabitle",
   "Unpin Chat": "Sohbetin sabitlemesini kaldır",
-  "Unpin Group": "Grubun sabitlemesini kaldır"
+  "Unpin Group": "Grubun sabitlemesini kaldır",
+  "Block": "Engelle",
+  "Block {{ name }}": "{{ name }} kullanıcısını engelle",
+  "They won't be able to message or call you. You can unblock them later.": "Size mesaj gönderemez veya sizi arayamaz. Engeli daha sonra kaldırabilirsiniz.",
+  "Leave": "Ayrıl",
+  "You'll stop receiving messages from {{ name }}. You can rejoin anytime.": "{{ name }} kanalından mesaj almayı bırakacaksınız. İstediğiniz zaman tekrar katılabilirsiniz.",
+  "group": "grup"
 }