UK Foreign Office ousts top civil servant over Mandelson vetting override

Foreign Office permanent secretary Sir Olly Robbins is leaving his post after the department overruled security vetting advice to clear Peter Mandelson for the role of UK ambassador to the United States. According to The Guardian, UK Security Vetting initially denied Mandelson “developed vetting” in late January 2025, but officials in the Foreign, Commonwealth and Development Office used a rarely invoked authority to grant clearance anyway.

The episode has become a stress test of how Britain handles high-risk political appointments when the formal process delivers an inconvenient answer. Mandelson was not a career diplomat but a political choice, and the government had already announced him for Washington before the vetting outcome was known, creating a dilemma inside the department that sponsored the checks. Downing Street said the decision to grant clearance against the recommendation was taken by FCDO officials, and insisted Keir Starmer and the then foreign secretary David Lammy were not told at the time.

The result is a familiar pattern in Whitehall: responsibility flows down to the official who signed the paper, while the political benefits of the appointment stay at the top. The Guardian reports Starmer only learned on Tuesday that Mandelson had failed vetting, while Lammy discovered it after the story became public. The London Standard, citing the Press Association, says Starmer and current foreign secretary Yvette Cooper lost confidence in Robbins and that he is being forced out.

Opposition parties are treating the affair as a question of basic executive control. Conservative leader Kemi Badenoch called it “preposterous” for a prime minister not to know that a major envoy had been cleared over security objections. Liberal Democrat leader Ed Davey said Starmer should have informed parliament as soon as he became aware rather than waiting for press reporting to force disclosures.

The controversy sits on top of earlier criticism of Mandelson’s suitability for Washington. He was removed from the role last September after further details emerged about his relationship with Jeffrey Epstein, and government documents released last month showed warnings of reputational risk tied to that association. The vetting row adds a second, more procedural question: not whether the appointment looked bad, but whether the state’s own security apparatus was simply bypassed.

Robbins had been in the job only weeks when the override was made, but his departure leaves a concrete fact: a top civil servant has lost his post over a decision the government says ministers did not know about.

Mandelson’s developed vetting was denied, then granted, and the official who ran the department is now gone.