Sir Keir Starmer has insisted he will lead Labour into the next general election, but admitted that appointing Lord Peter Mandelson ambassador to Washington DC was a "mistake".The Prime Minister's authority has been rocked in recent weeks by the controversies surrounding the appointments of Lord Mandelson and Lord Matthew Doyle despite their association with sex offenders, three departures from Downing Street, and a call from the Scottish Labour leader for him to resign.Speaking to the Sun on Su

Sir Keir Starmer has insisted he will lead Labour into the next general election, but admitted that appointing Lord Peter Mandelson ambassador to Washington DC was a "mistake".The Prime Minister's authority has been rocked in recent weeks by the controversies surrounding the appointments of Lord Mandelson and Lord Matthew Doyle despite their association with sex offenders, three departures from Downing Street, and a call from the Scottish Labour leader for him to resign.Speaking to the Sun on Sunday at the Munich Security Conference, Sir Keir came out fighting against suggestions he should resign and reports of plots within Labour to oust him.