SIR Keir Starmer’s reign as Prime Minister is under huge pressure following the latest bombshell revelations in the Peter Mandelson scandal.

Mandelson, 72, resigned from the and the House of Lords in disgrace in February after the release of the Epstein files.

Two men in suits and glasses, standing side by side.Peter Mandelson failed security vetting in January 2025 Credit: PA

But last night, Downing Street sensationally admitted that Mandelson was hired as US ambassador despite failing his security vetting.

had repeatedly insisted — including in the — that “due process” was followed.

But the bombshell revelation has now thrown his premiership into fresh turmoil and sparked calls for him to resign.

Downing Street insisted that the PM was not aware of it and blamed Foreign Office civil servants for acting alone.

Political rivals and Nigel Farage have already led demands for the PM to quit.

And with Sir Keir battling yet another scandal, do you think his time as Prime Minister will come to an end? Have your say in our exclusive poll.

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