The Observer also picks up on Mr Johnson’s intervention, describing him as being on a “collision course” with Mr Sunak amid a “frantic diplomatic blitz to end a bitter dispute with the EU” over Northern Ireland. With Eurosceptic backbenchers threatening to disrupt the deal, Labour leader Sir Keir Starmer tells the paper he is willing to offer the prime minister the guarantee of Labour MPs’ support in any parliamentary vote – to save Mr Sunak from “scrambling around to appease” the right of his own party.