Conservative Shadow Cabinet member Alex Burghart says that Sir Keir Starmer's position as Prime Minister is becoming untenable, and that his resignation, while a choice for Labour MPs, is a "question of when, not if". It follows questions around Starmer's judgement over the appointment of Peter Mandelson as US ambassador. Report by Keechl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
