Article #4440

Keir Starmer says it is ‘staggering’ and ‘unforgivable’ that he was not told Peter Mandelson had failed security vetting before taking up the role of US ambassador. The comments follow a Guardian investigation that exclusively revealed Mandelson had initially been denied clearance after a background check by security officials, but that the decision was overruled by the Foreign Office. Lucy Hough speaks to the Guardian's head of investigations, Paul Lewis