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

Speculation over the prime minister’s future dominates UK front pages after the Guardian revealed Peter Mandelson failed his security vetting

Darren Jones says he has ordered an urgent review into news that the Foreign Office ignored security vetting advice

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.

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

Almost all officials working in Foreign Office HQ undergo process before gaining access to top secret material

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

Exclusive: In an interview with The Independent, former foreign secretary James Cleverly sets out the reasons why ministers must have known Peter Mandelson had failed his security…

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

A senior minister dodged questions on Peter Mandelson’s security vetting after being shown text messages from The Independent’s political editor David Maddox on Sunday Morning…

Liz Kendall tries to limit fallout from vetting scandal as PM prepares for Commons showdown

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

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

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.

Political editor David Maddox looks back on The Independent’s exclusive in September last year and how he informed Downing Street of Mandelson’s vetting failure seven months…

Cabinet minister Nick Thomas-Symonds faced a grilling from Victoria Derbyshire over fears of unvetted staff inside the government following the Lord Peter Mandelson scandal.…