Sir Keir Starmer is facing a critical day for his premiership as MPs vote on whether there should be a parliamentary sleaze inquiry into the Lord Mandelson vetting row.The Prime Minister has urged Labour backbenchers to "stand together" against the motion to refer him to the Privileges Committee over claims he misled the Commons about the way the former US ambassador's appointment was handled.

Sir Keir Starmer is facing a critical day for his premiership as MPs vote on whether there should be a parliamentary sleaze inquiry into the Lord Mandelson vetting row.The Prime Minister has urged Labour backbenchers to "stand together" against the motion to refer him to the Privileges Committee over claims he misled the Commons about the way the former US ambassador's appointment was handled.