Sir Keir Starmer is facing mounting pressure and a top civil servant is to leave his post after it emerged the Foreign Office overruled a security vetting process to clear Lord Peter Mandelson to become UK ambassador to the US.The Prime Minister and Foreign Secretary Yvette Cooper have lost confidence in Foreign Office permanent under-secretary Sir Olly Robbins over the issue and he will be leaving the job, the Press Association understands.

Sir Keir Starmer is facing mounting pressure and a top civil servant is to leave his post after it emerged the Foreign Office overruled a security vetting process to clear Lord Peter Mandelson to become UK ambassador to the US.The Prime Minister and Foreign Secretary Yvette Cooper have lost confidence in Foreign Office permanent under-secretary Sir Olly Robbins over the issue and he will be leaving the job, the Press Association understands.