PM says he 'will get to the bottom' of pre-Budget leaks

Sir Keir Starmer reiterated that he would "get to the bottom" of leaks ahead of the Budget, and said he had no reason to believe they came from Downing Street.The Prime Minister, facing questions from Parliament's Liaison Committee, also repeated that any briefing against Cabinet ministers was "completely unacceptable", and said he had told his staff and Cabinet as much - and put procedures in place to crack down on it.