Opposition parties have called for Sir Keir Starmer to face a parliamentary inquiry over the appointment of Lord Peter Mandelson as US ambassador, The Independent understands - as the most senior Cabinet Office official prepares for questions on the vetting process on Thursday.
The Tories, SNP and Lib Dems have approached the Speaker of the Commons, Sir Lindsay Hoyle, to refer the prime minister to the Privileges Committee after claims he misled parliament when he said that “due process” had been followed.
