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 vetting

Guardian investigation uncovers decision by UK security officials to deny clearance before Mandelson took up role as US ambassador

Ministers and civil servants face scrutiny after revelation Foreign Office overruled vetting procedure for US ambassador appointment

A decision to go against the recommendation of the vetting agency was taken by officials in the Foreign Office, spokesperson says.

PM faces calls to resign as government says he was ‘not aware’ Foreign Office overruled disgraced Labour peer’s vetting ‘until this week’

PM says he is ‘furious’ and did not know security officials had recommended that Mandelson be denied clearance

Starmer’s disastrous decision to make New Labour veteran the US ambassador has led to months of political outcry

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

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

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

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

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

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…