Starmer Accused of Misleading Parliament on Mandelson Vetting

Prime Minister Sir Keir Starmer faces accusations of misleading Parliament after reports revealed that Lord Peter Mandelson initially failed security vetting for his appointment as UK ambassador to the United States, yet the Foreign Office overruled the decision to allow him to take the post.

The appointment was announced by Starmer in December 2024, positioning Mandelson, a former Labour cabinet minister, as the UK's top diplomat in Washington. A developed vetting process, conducted by United Kingdom Security Vetting within the Cabinet Office, denied Mandelson clearance in late January 2025. This high-level check examines candidates' backgrounds, including financial history, relationships, and potential vulnerabilities to blackmail, to ensure suitability for handling sensitive information. Despite the denial, Foreign Office officials invoked rarely used authority to override the recommendation, and Mandelson assumed the role on February 10, 2025.

Starmer addressed the appointment during Prime Minister's Questions on September 10, 2025, stating three times that full due process had been followed. In a February 2026 press conference in Hastings, he further asserted that...