Wes Streeting is poised to resign from the cabinet and force a leadership election against Sir Keir Starmer as the crisis within the Labour Party deepens. The Independent first revealed on Monday that Mr Streeting was expected to launch a leadership bid as his supporters led the way in urging the prime minister to step aside. A defiant Sir Keir has told his remaining supporters he will fight any challenge, but it is now understood that as many as five other ministers, all allies of Mr Streeting, are on a resignation watchlist to deliver a further blow to their embattled leader , joining the four who quit on Tuesday. One Starmer loyalist minister told The Independent : “They [Mr Streeting and his supporters] will want to hit as hard as possible.…