diff --git a/octue/cloud/pub_sub/service.py b/octue/cloud/pub_sub/service.py
index 30408c5ef..2433df085 100644
--- a/octue/cloud/pub_sub/service.py
+++ b/octue/cloud/pub_sub/service.py
@@ -451,6 +451,31 @@ def wait_for_answer(
         finally:
             subscription.delete()
 
+    def cancel(
+        self,
+        question_uuid,
+        parent_question_uuid,
+        originator_question_uuid,
+        parent,
+        originator,
+        retry_count,
+        timeout=30,
+    ):
+        self._emit_event(
+            {"kind": "cancellation"},
+            question_uuid=question_uuid,
+            parent_question_uuid=parent_question_uuid,
+            originator_question_uuid=originator_question_uuid,
+            parent=parent,
+            originator=originator,
+            recipient=parent,
+            retry_count=retry_count,
+            attributes={"sender_type": PARENT_SENDER_TYPE},
+            timeout=timeout,
+        )
+
+        logger.info("%r requested cancellation of question %r.", self, question_uuid)
+
     def send_exception(
         self,
         question_uuid,
diff --git a/octue/resources/child.py b/octue/resources/child.py
index 5ae6e9dc2..707292cd2 100644
--- a/octue/resources/child.py
+++ b/octue/resources/child.py
@@ -236,3 +236,23 @@ def ask_multiple(
 
         # Convert dictionary to list in asking order.
         return [answer[1] for answer in sorted(answers.items(), key=lambda item: item[0])]
+
+    def cancel(
+        self,
+        question_uuid,
+        parent_question_uuid,
+        originator_question_uuid,
+        parent,
+        originator,
+        retry_count,
+        timeout=30,
+    ):
+        self._service.cancel(
+            question_uuid,
+            parent_question_uuid,
+            originator_question_uuid,
+            parent,
+            originator,
+            retry_count,
+            timeout=timeout,
+        )