Peter Mandelson’s failed security vetting: a timeline of the controversy

Keir Starmer said on Friday that he was never informed that Peter Mandelson initially failed his security vetting process. Illustration: Guardian Design/Getty

Keir Starmer is facing calls to resign after the Guardian revealed that Peter Mandelson failed the developed vetting process over his appointment as US ambassador – but was able to take up the post after the Foreign Office overruled the recommendation.

Here is the timeline of Mandelson’s controversial appointment and the fallout it has caused.