questionText: To ask the Minister for the Cabinet Office, on what date (a) civil servants, (b) No10 political office staff and (c) special advisers in the Office of the Prime Minister first became aware that Lord Mandelson had not received full security vetting clearance.
answerText: I refer the Hon Member to the Statement made by the Prime Minister on Security Vetting on the 20 April 2026, Official Report, Column 23-26.
heading: Lord Mandelson