UK MPs Reject Motion to Investigate Starmer Over Mandelson Appointment

The UK House of Commons voted on Tuesday to reject an opposition motion calling for Prime Minister Keir Starmer to be investigated by the Privileges Committee over his statements regarding the appointment of Lord Peter Mandelson as ambassador to the United States.

The motion, proposed by the Conservative Party, was defeated with 316 votes against and 186 in favor, according to reports from the BBC and other outlets covering the proceedings.

Morgan McSweeney, Starmer's former chief of staff who resigned in February, testified before the House of Commons Foreign Affairs Committee that he had made a "serious error of judgement" in recommending Mandelson for the role. " The committee is examining the appointment, which was announced in December 2024, before Mandelson's security vetting was fully completed.

Lord Mandelson was removed from the ambassadorship in September 2025 following revelations about his links to Jeffrey Epstein, a convicted sex offender who died in prison in 2019. Police launched an investigation into Mandelson in February over allegations that he shared sensitive government information with Epstein.

UK Security Vetting had recommended against granting Mandelson security clearance, but Sir Olly Robbins, then a top official at the Foreign Office, personally approved it on 21 April 2026. Robbins told the committee that his office and the foreign secretary's office faced "constant pressure" from No.

10's private office, though he said he did not feel personally pressured in his judgment.

Prime Minister Starmer has maintained that "full due process was followed" in the appointment, as he stated on 10 September 2025. " In a statement on 22 April 2026, Starmer said "no pressure existed whatsoever" in relation to the case. A No.

Conservative leader Kemi Badenoch accused Starmer of misleading the House of Commons repeatedly. Shadow Defence Minister Mark Francois called for Starmer's resignation, stating that the prime minister was "sanctimonious" in past criticisms of others and that "no one believes" his account, with "daily revelations" showing pressure on civil servants to fast-track the appointment.

Francois highlighted that the US ambassador role involves access to sensitive intelligence on nuclear cooperation and the war in Ukraine.

Foreign Office Permanent Secretary Sir Philip Barton expressed concern that Mandelson's Epstein links "could become a problem" but noted he was not consulted on the political decision to appoint him. Barton said the normal process is vetting before announcement.

A November 2024 letter from Cabinet Secretary Sir Simon Case advised providing the appointee's name to develop a security clearance plan before confirmation. A 30 October 2025 letter from Sir Chris Wormald stated that vetting usually occurs after a job offer but before the individual starts.

Mandelson had served as a director of a Russian defence company even after Russia's invasion of Ukraine. The appointment announcement on 20 December 2024 came from the prime minister's office. " Some Scottish Labour MPs traveled for the vote amid upcoming Scottish Parliament elections.

Nigel Farage abstained from a related vote on Northern Ireland veterans, and Starmer abstained after whipping his MPs to support it.

Starmer later insisted that the "majority" of Labour MPs back his leadership. No publicly released evidence from the government has detailed the specific pressures on the vetting process beyond the officials' testimonies. The vessels' operators in any related matters have not been publicly identified, and affected foreign ministries have not commented as of the dates in the reports.