UK Prime Minister Keir Starmer has said he is “absolutely furious” after revelations that Peter Mandelson failed internal security vetting before his appointment as UK ambassador to the United States.

Speaking on Friday (17 April), Starmer said neither he nor ministers were informed, calling the omission “staggering” and “unforgivable”. The controversy centres on Mandelson’s December 2024 appointment and subsequent dismissal in September 2025.

The row has intensified scrutiny of government processes and leadership accountability ahead of upcoming elections.

Key developments:

  • Olly Robbins, former head of the Foreign Office, was dismissed after losing confidence of ministers
  • The Foreign Office reportedly overruled UK Security Vetting advice
  • Darren Jones, Chief Secretary, has suspended the department’s ability to bypass vetting decisions
  • Starmer has pledged full transparency in Parliament

The issue continues to raise questions within the Labour Party over governance and oversight.

ℹ️ POLITICO, ITN

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UK Prime Minister Keir Starmer on January 29, 2026 in Beijing, China. | Pool photo by Kin Cheung via Getty Images
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Starmer “absolutely furious” he was not told of Mandelson vetting failure
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