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 before the prime minister claims he knew

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…

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

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…

Former chancellor Nadhim Zahawi has said there is “no way questions wouldn’t have been raised” when The Independent’s political editor David Maddox asked for details about Peter…

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.

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…

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

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…

Kemi Badenoch asked why Sir Keir claimed to have only learnt about Lord Mandelson failing vetting last week, when The Independent raised concerns with Downing Street in September

Analysis: ‘Smoking gun’ claims after this publication told Downing Street that Peter Mandelson had failed security vetting last year

Cat Little, the most senior official in the Cabinet Office, said details of the disgraced peer’s vetting were requested by the Foreign Office seven months ago