diff --git a/CHANGES.md b/CHANGES.md
index ce10d8cc9a..0af92bf211 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -5,7 +5,7 @@ Features ✨:
  -
 
 Improvements 🙌:
- -
+ - Show confirmation dialog before deleting a message (#967)
 
 Other changes:
  -
@@ -24,7 +24,7 @@ Changes in RiotX 0.15.0 (2020-02-10)
 
 Improvements 🙌:
  - Improve navigation to the timeline (#789, #862)
- - Improve network detection. It is now based on the sync request status (#873, #882) 
+ - Improve network detection. It is now based on the sync request status (#873, #882)
 
 Other changes:
  - Support SSO login with Firefox account (#606)
diff --git a/vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailFragment.kt b/vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailFragment.kt
index 9e4d7d8163..5a905a2e93 100644
--- a/vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailFragment.kt
+++ b/vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailFragment.kt
@@ -61,6 +61,7 @@ import com.airbnb.mvrx.fragmentViewModel
 import com.airbnb.mvrx.withState
 import com.github.piasy.biv.BigImageViewer
 import com.github.piasy.biv.loader.ImageLoader
+import com.google.android.material.checkbox.MaterialCheckBox
 import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.textfield.TextInputEditText
 import com.jakewharton.rxbinding3.widget.textChanges
@@ -786,6 +787,26 @@ class RoomDetailFragment @Inject constructor(
                 .show()
     }
 
+    private fun promptReasonToDeleteEvent(eventId: String) {
+        val layout = requireActivity().layoutInflater.inflate(R.layout.dialog_delete_event, null)
+        val reasonCheckBox = layout.findViewById<MaterialCheckBox>(R.id.deleteEventReasonCheck)
+        val reasonInput = layout.findViewById<TextInputEditText>(R.id.deleteEventReasonInput)
+
+        reasonCheckBox.setOnCheckedChangeListener { _, isChecked -> reasonInput.isEnabled = isChecked }
+
+        AlertDialog.Builder(requireActivity())
+                .setView(layout)
+                .setTitle(R.string.delete_event_dialog_title)
+                .setPositiveButton(R.string.remove) { _, _ ->
+                    val reason = reasonInput.text.toString()
+                            .takeIf { reasonCheckBox.isChecked }
+                            ?.takeIf { it.isNotBlank() }
+                    roomDetailViewModel.handle(RoomDetailAction.RedactAction(eventId, reason))
+                }
+                .setNegativeButton(R.string.cancel, null)
+                .show()
+    }
+
     private fun displayRoomDetailActionFailure(result: RoomDetailViewEvents.ActionFailure) {
         AlertDialog.Builder(requireActivity())
                 .setTitle(R.string.dialog_title_error)
@@ -1098,7 +1119,7 @@ class RoomDetailFragment @Inject constructor(
                 showSnackWithMessage(getString(R.string.copied_to_clipboard), Snackbar.LENGTH_SHORT)
             }
             is EventSharedAction.Delete                     -> {
-                roomDetailViewModel.handle(RoomDetailAction.RedactAction(action.eventId, context?.getString(R.string.event_redacted_by_user_reason)))
+                promptReasonToDeleteEvent(action.eventId)
             }
             is EventSharedAction.Share                      -> {
                 // TODO current data communication is too limited
diff --git a/vector/src/main/res/layout/dialog_delete_event.xml b/vector/src/main/res/layout/dialog_delete_event.xml
new file mode 100644
index 0000000000..eee3cc9df5
--- /dev/null
+++ b/vector/src/main/res/layout/dialog_delete_event.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/layout_root"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="?dialogPreferredPadding"
+    android:paddingLeft="?dialogPreferredPadding"
+    android:paddingTop="12dp"
+    android:paddingEnd="?dialogPreferredPadding"
+    android:paddingRight="?dialogPreferredPadding"
+    android:paddingBottom="12dp">
+
+    <TextView
+        android:id="@+id/deleteEventConfirmationText"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/delete_event_dialog_content"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <com.google.android.material.checkbox.MaterialCheckBox
+        android:id="@+id/deleteEventReasonCheck"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:checked="true"
+        android:text="@string/delete_event_dialog_reason_checkbox"
+        android:layout_marginTop="8dp"
+        app:layout_constraintTop_toBottomOf="@+id/deleteEventConfirmationText"
+        app:layout_constraintStart_toStartOf="parent"/>
+
+    <com.google.android.material.textfield.TextInputLayout
+        style="@style/VectorTextInputLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:hint="@string/delete_event_dialog_reason_hint"
+        app:counterEnabled="true"
+        app:counterMaxLength="240"
+        app:layout_constraintTop_toBottomOf="@+id/deleteEventReasonCheck"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/deleteEventReasonInput"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/event_redacted_by_user_reason"/>
+
+    </com.google.android.material.textfield.TextInputLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/vector/src/main/res/values/strings_riotX.xml b/vector/src/main/res/values/strings_riotX.xml
index 95e66e68be..914d3a1ddf 100644
--- a/vector/src/main/res/values/strings_riotX.xml
+++ b/vector/src/main/res/values/strings_riotX.xml
@@ -19,6 +19,13 @@
 
     <!-- END Strings added by Benoit -->
 
+    <!-- BEGIN Strings added by Onuray -->
+    <string name="delete_event_dialog_title">Confirm Removal</string>
+    <string name="delete_event_dialog_content">Are you sure you wish to remove (delete) this event? Note that if you delete a room name or topic change, it could undo the change.</string>
+    <string name="delete_event_dialog_reason_checkbox">Include a reason</string>
+    <string name="delete_event_dialog_reason_hint">Reason for redacting</string>
+    <!-- END Strings added by Onuray -->
+
 
     <!-- BEGIN Strings added by Others -->