Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. All News Sport Culture Lifestyle Defiant Starmer challenges cabinet to put up or shut up on leadership coup Labour MP Rupa Huq has denied signing a letter in support of the Prime Minister. More than 100 MPs were listed on the letter, which said it is “no time for a leadership contest”, including Ms Huq, the MP for Ealing Central and Acton. In a post on X, she said: “Surprised to see my name on this list when I haven’t either signed any letter supporting the PM or called for the PM to go?? “Not very courteous of colleagues to put names down without their approval.” The letter comes after Labour descends into division over Sir Keir Starmer ’s future as Prime Minister, with at least 80 MPs calling for him to go.…