Question to the Cabinet Office:

To ask the Minister for the Cabinet Office, further to the Part of a Return to an Address of the Honourable the House of Commons dated 4 February 2026 relating to the appointment of Lord Mandelson as HM Ambassador to Washington, Volume 1, HC1774-I, 11 March 2026, whether the Prime Minister was informed of the concerns by (a) Jonathan Powell and (b) Philip Barton about Lord Mandelson’s appointment.

I refer the Hon Member to the Government's statement and release of information on 11th March, providing an update on the response to the Humble Address. The Government is working to ensure that Parliament’s instruction is met with the urgency and transparency that it deserves.