Starmer’s former chief of staff says he asked people to act quickly but not to skip steps in vetting process

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Morgan McSweeney has admitted that Foreign Office officials came under intense pressure to expedite Peter Mandelson’s posting as UK ambassador to Washington, but denied they were forced to “skip steps” in security vetting to do so.

Keir Starmer’s former chief of staff, who resigned earlier this year over the scandal, acknowledged that he had asked the then top official at the department, Philip Barton, to conduct the process “at pace” but not to do anything “improper”.

PM under increasing pressure over Mandelson vetting scandal as sources say ministers spoke up at tense meeting

Keir Starmer is looking increasingly isolated over his handling of the Peter Mandelson scandal with divisions emerging in cabinet over his decision to sack the Foreign Office civil servant Olly Robbins.

On another difficult day for the prime minister, the Guardian learned of concerns around the cabinet table, a senior minister refused to say the dismissal was fair and several mandarins called for him to be reinstated. One Labour MP called on Starmer to quit.

Exclusive: McSweeney summoned by foreign affairs select committee in rare step, as Mandelson vetting row continues

Morgan McSweeney is facing a showdown with MPs who will grill him on whether he placed extreme pressure on the Foreign Office to approve Peter Mandelson as ambassador.

The prime minister’s former chief of staff will be questioned next Tuesday by the foreign affairs select committee over allegations made by the former Foreign Office permanent secretary Olly Robbins, who said No 10 had questioned why Mandelson should be subject to any vetting.