Shadow Chancellor of the Duchy of Lancaster Alex Burghart has called on Prime Minister Keir Starmer to resign over the appointment of Peter Mandelson as US ambassador, despite Starmer claiming not to know that Lord Mandelson had failed security vetting. <br /> Report by Etemadil. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
