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

PM responds to Guardian revelations that Foreign Office overrode failed security vetting for former minister

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

How did the PM’s chosen US ambassador fail security vetting but still get approved, what exactly did he know, and who is to blame?

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

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

The Independent put revelations that Peter Mandelson had failed MI6 vetting for the US ambassador role to Downing Street in September – but a ‘furious’ PM insists he did not know…

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

Starmer faces mounting pressure amid calls to resign as over Mandelson's failed security vetting and what the prime minister knew

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

The prime minister says he only learned of security concerns around the ex-US ambassador earlier this week.

Whitehall officials are weighing up ‘unprecedented’ disclosure of documents in security clearance scandal

Prime minister faces a Commons grilling from MPs on Monday before Olly Robbins – sacked by Starmer on Thursday over the vetting scandal – gives his version of events on Tuesday

PM to give Commons statement on Monday, a day before sacked civil servant Olly Robbins tells his side of the story

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

Documents also show PM’s choice for US ambassador was offered ‘higher tiers’ briefing before vetting was finalised

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

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

Kemi Badenoch quizzed Keir Starmer on The Independent’s exclusive revelation Peter Mandelson had failed security checks prior to his appointment as US ambassador, as the prime…