MPs vote against inquiry into Starmer's claims on Mandelson vetting

On April 28, 2026, the House of Commons voted 335 to 223 against a Conservative-led motion to investigate claims made by Sir Keir Starmer regarding the vetting process for Lord Mandelson's appointment as US ambassador. Starmer denied misleading MPs about the vetting process, while some Labour MPs raised concerns about the government's handling of the situation. Fourteen Labour MPs supported the motion, while 53 did not have a recorded vote.