MPs jeer as PM says it is ‘incredible’ he was not told full story about Mandelson’s vetting

The PM is facing calls to resign over the revelation that Lord Mandelson did not pass security checks.

PM says it is ‘staggering’ and ‘unforgivable’ that he was not told Mandelson had failed security vetting. Lucy Hough speaks to the Guardian’s head of investigations, Paul Lewis

Editorial: The prime minister’s explanation has shifted between being misled and admitting error, raising questions about vetting, accountability and what he knew

Exclusive: Officials have spent weeks debating whether or not to release highly sensitive information about the affair

As revelations mount and accusations fly, prime minister prepares for MPs’ anger and Olly Robbins’ testimony early next week

Inquiries into who knew what, and when, will be pored over in coming weeks and could ultimately decide Starmer’s fate

PM said he was ‘staggered’ not to have been told that Peter Mandelson had failed his security vetting before becoming ambassador to the US

Deputy prime minister says it is ‘inexplicable’ top civil servant kept Downing Street in dark

Downing Street takes unusual step of releasing document ahead of PM’s Commons showdown over Mandelson scandal

PM to tell Commons he was himself misled and would ‘never knowingly mislead parliament or the public’

Keir Starmer faces intense scrutiny from MPs over the Mandelson scandal amid growing calls for his resignation.

MPs jeer as PM says it is ‘incredible’ he was not told full story about Mandelson’s vetting

PM says in Commons statement he has ordered inquiry into any security concerns relating to Mandelson’s tenure in US

The PM tells the Commons that if he had known the peer failed security vetting he would not have been appointed.

PM sets out chronology of Mandelson’s vetting failure – and insists he has not misled MPs

Jonathan Freedland on what Keir Starmer said – and didn’t say – to the House of Commons about the Mandelson vetting failure