The prime minister is on a “collision course” over the Lord Mandelson vetting scandal, headlines the Guardian. Every paper on Tuesday covers Sir Keir Starmer’s assertions in the House of Commons that he had not known the peer had failed the checks to become British ambassador to the US and had not been told by the Foreign Office. Now Sir Olly Robbins, the most senior civil servant at the Foreign Office who was effectively sacked on Thursday, will make a “high-jeopardy” appearance and give “his side of story”.