diff --git a/src/controllers/GroupsController.ts b/src/controllers/GroupsController.ts
index 99dfd15..f05a884 100644
--- a/src/controllers/GroupsController.ts
+++ b/src/controllers/GroupsController.ts
@@ -328,7 +328,11 @@ export class GroupsController {
 		// Respond to the invitation
 		await GroupsHelper.RespondInvitation(groupID, h.getUserId(), accept);
 
-		// TODO : Create a notification
+		// Create a notification
+		await NotificationsUtils.CreateGroupMembershipNotification(
+			h.getUserId(), 0, groupID,
+			accept ? NotifEventType.ACCEPTED_GROUP_MEMBERSHIP_INVITATION : NotifEventType.REJECTED_GROUP_MEMBERSHIP_INVITATION
+		)
 
 		h.success("Response to the invitation was successfully saved!");
 	}
diff --git a/src/helpers/NotificationsHelper.ts b/src/helpers/NotificationsHelper.ts
index de7313d..3058d6b 100644
--- a/src/helpers/NotificationsHelper.ts
+++ b/src/helpers/NotificationsHelper.ts
@@ -5,6 +5,7 @@ import { PostsHelper } from "./PostsHelper";
 import { PostPageKind, PostVisibilityLevel } from "../entities/Post";
 import { FriendsHelper } from "./FriendsHelper";
 import { GroupsHelper } from "./GroupsHelper";
+import { GroupMembershipLevels } from "../entities/GroupMember";
 
 /**
  * Notifications helper
@@ -133,7 +134,7 @@ export class NotificationsHelper {
 			else {
 
 				// Push the notification to all the moderators of the group
-				throw new Error("//TODO Push notification to all members of the group");
+				await this.PushGroupModerators(n, n.onElemID);
 
 			}
 		}
@@ -160,6 +161,22 @@ export class NotificationsHelper {
 		await this.PushPublic(n, list);
 	}
 
+	/**
+	 * Push a notification to all the moderators & administrators of a group
+	 * 
+	 * @param n The notification to push
+	 * @param groupID Target group ID
+	 */
+	private static async PushGroupModerators(n: Notif, groupID: number) {
+		let list = await GroupsHelper.GetListMembers(groupID);
+
+		// Remove all the users who are not moderators or administrators
+		list = list.filter((v) => v.level <= GroupMembershipLevels.MODERATOR);
+		const ids = list.map((v) => v.userID);
+
+		await this.PushPublic(n, ids);
+	}
+
 	/**
 	 * Push a notification to multiple users
 	 *