← All storiesGeneralDeveloping story

No 10 to release hundreds of files on Mandelson’s US ambassador appointment on Wednesday

First tranche expected to include Cabinet Office report warning of ‘reputational risk’ over ex-minister’s links to Epstein Hundreds of documents relating to Peter Mandelson’s appointment as ambassador to the US are expected to be released by Downing Street on Wednesday. The first tranche of files will include a two-page due diligence report by the Cabinet Office, which is likely to raise questions about Keir Starmer’s judgment, the Guardian understands. Sources said it had warned Starmer of the serious “reputational risk” of going ahead with Mandelson’s appointment in December 2024 given his links with convicted sex offender Jeffrey Epstein. Officials said the document could prove “very difficult” for the prime minister and warned that his response at the time – reportedly asking former chief of staff Morgan McSweeney, a friend of Mandelson, to seek an explanation from him about its contents – could be seen as “completely inadequate”. The documents being released are the first batch of tens of thousands of files and are expected to contain information that was publicly available at the time, such as newspaper reports that showed the extent of Mandelsonâ€

10
updates in timeline
3
distinct sources
12 days
story span
Mar 23, 2026
latest update

Mar 11, 2026 → Mar 23, 2026

LATEST DEVELOPMENT
Mar 23, 2026·The GuardianT2 · Outlet report
Starmer’s liaison committee jaunt was largely soporific – just as he’d wanted | John Crace

Every PM hopes to emerge having said nothing that makes the news, and with Iran centre-stage Keir played a blinder What a difference a week makes. At last week’s prime minister’s questions, Keir Starmer tried to persuade us he knew…

Read original at The Guardian →
ACTIVITY · UPDATES PER MONTH
Mar 26

10 updates from 3 sources over 12 days.

Showing 10 of 10 updates

Timeline (10 updates)

March 2026

10 updates
Mar 23, 2026·The GuardianT2 · Outlet reportLATEST
Starmer’s liaison committee jaunt was largely soporific – just as he’d wanted | John Crace

Every PM hopes to emerge having said nothing that makes the news, and with Iran centre-stage Keir played a blinder What a difference a week makes. At last week’s prime minister’s questions, Keir Starmer tried to…

Read original at The Guardian →
Mar 19, 2026·BBCT2 · Outlet report
Police investigating bailout email from Mandelson to Epstein

Police are investigating a 2010 email Lord Mandelson appeared to share with convicted sex offender Jeffrey Epstein about an EU bailout after the financial crash, Met chief Sir Mark Rowley has said. In an interview with…

Read original at BBC →
Mar 18, 2026·The GuardianT2 · Outlet reportKEY MOMENT
Starmer says Tory shadow minister should be sacked for criticism of Muslims praying in Trafalgar Square – as it happened

Nick Timothy said an event attended by the mayor of London that included prayers was an ‘act of domination’ Badenoch says Starmer did not answer the question. Did he pick up the phone to Mandelson. She says Starmer…

Read original at The Guardian →
Mar 18, 2026·BBCT2 · Outlet report
PM swerves questions on whether he spoke to Mandelson over Epstein friendshp

Sir Keir Starmer has avoided saying whether he spoke to Peter Mandelson about his relationship with convicted sex offender Jeffrey Epstein, before picking the peer as the UK's ambassador to the US. Despite repeated…

Read original at BBC →
Mar 12, 2026·The GuardianT2 · Outlet reportKEY MOMENT
Starmer may face more resignations after release of Mandelson WhatsApp messages, say sources

PM has apologised for his handling of Peter Mandelson’s appointment as US ambassador, but next tranche of files could contain further damaging details Keir Starmer could suffer further resignations when ministerial…

Read original at The Guardian →
Mar 11, 2026·The GuardianT2 · Outlet report
Starmer overruled warning of ‘reputational risk’ over Mandelson appointment, files show

Newly released documents also show Peter Mandelson was offered highly classified briefings before formal vetting was complete Keir Starmer overruled officials who warned of a “reputational risk” in making Peter…

Read original at The Guardian →
Mar 11, 2026·The GuardianT2 · Outlet report
Mandelson documents raise questions about Starmer’s decision-making

PM knew of US ambassador’s ‘close relationship’ with Jeffrey Epstein and potential conflicts of interest from his lobbying role Four months after Peter Mandelson was sacked as UK ambassador to Washington over his…

Read original at The Guardian →
Mar 11, 2026·CNNT2 · Outlet reportKEY MOMENT
British PM was warned of ‘reputational risk’ over Mandelson’s ties to Epstein, files show | CNN

British Prime Minister Keir Starmer was warned that Peter Mandelson’s relationship with Jeffrey Epstein posed a “general reputational risk” ahead of his appointment as Britain’s ambassador to the United States,…

Read original at CNN →
Mar 11, 2026·The GuardianT2 · Outlet report
Mandelson was offered highly classified briefing before vetting completed

Newly released documents suggest Foreign Office may have begun to brief new US ambassador while higher-level checks ongoing Peter Mandelson was offered a highly classified briefing from the Foreign Office as US…

Read original at The Guardian →
Mar 11, 2026·The GuardianT2 · Outlet reportOPENING
No 10 to release hundreds of files on Mandelson’s US ambassador appointment on Wednesday

First tranche expected to include Cabinet Office report warning of ‘reputational risk’ over ex-minister’s links to Epstein Hundreds of documents relating to Peter Mandelson’s appointment as ambassador to the US…

Read original at The Guardian →

Sources & evidence (10)

What this story stands on. Tier 0 is a primary record or the subject's own words; higher tiers must be attributed, never stated as bare fact.

T2 · Outlet report× 10
COVERAGE BY SOURCE
The Guardian 7BBC 2CNN 1
STRONGEST EVIDENCE
T2 · Outlet reportThe GuardianMar 23, 2026

Every PM hopes to emerge having said nothing that makes the news, and with Iran centre-stage Keir played a blinder What a difference a week makes. At last week’s prime minister’s questions, Keir Starmer tried to persuade us he knew…

View source →
T2 · Outlet reportBBCMar 19, 2026

Police are investigating a 2010 email Lord Mandelson appeared to share with convicted sex offender Jeffrey Epstein about an EU bailout after the financial crash, Met chief Sir Mark Rowley has said. In an interview with ABC News in the US,…

View source →
T2 · Outlet reportThe GuardianMar 18, 2026

Nick Timothy said an event attended by the mayor of London that included prayers was an ‘act of domination’ Badenoch says Starmer did not answer the question. Did he pick up the phone to Mandelson. She says Starmer said Mandelson lied…

View source →
T2 · Outlet reportBBCMar 18, 2026

Sir Keir Starmer has avoided saying whether he spoke to Peter Mandelson about his relationship with convicted sex offender Jeffrey Epstein, before picking the peer as the UK's ambassador to the US. Despite repeated questioning in the…

View source →
T2 · Outlet reportThe GuardianMar 12, 2026

PM has apologised for his handling of Peter Mandelson’s appointment as US ambassador, but next tranche of files could contain further damaging details Keir Starmer could suffer further resignations when ministerial WhatsApp messages are…

View source →
T2 · Outlet reportThe GuardianMar 11, 2026

Newly released documents also show Peter Mandelson was offered highly classified briefings before formal vetting was complete Keir Starmer overruled officials who warned of a “reputational risk” in making Peter Mandelson US ambassador,…

View source →

Tier key: T0 = Primary source · T1 = Wire · T2 = Outlet report · T3 = Commentary

Related stories

TechnologyT2 · Outlet report

US supreme court rejects Republican-drawn midterm map in Missouri for third time – as it happened

Long-running fight over Trump-backed maps takes another turn as absentee voting is already under way in Missouri. This blog is now closed. Sign up for US Breaking News emails Xi…

13 updates3 sources9 days long
Sep 26, 2026 → Oct 5, 2026
Latest: Trump Hits Campaign Trail as GOP Support Slips · Bloomberg
TechnologyT2 · Outlet report

Trump unveils his new Super Intelligence Force

This new task force is Trump's latest response to the debate over AI safety.

3 updates3 sources1 day long
Oct 4, 2026 → Oct 5, 2026
Latest: Trump unveils 'Super Intelligence Force' to oversee AI policy · BBC
PoliticsT2 · Outlet report

US Visa Ban Hits Judge at Center of Chinese Port Dispute in Peru

The Trump administration’s decision to revoke the visa of a Peruvian judge who sided with a Chinese company in a port dispute puts a new spotlight on the growing US-China rivalry…

2 updates1 source3 days long
Oct 1, 2026 → Oct 4, 2026
Latest: Bolsonaro Surges to Lead as Brazil Swings to the Right · Bloomberg
PoliticsT2 · Outlet report

Bosnia Election: Donald Trump’s Promises Foster Rare Unity

As Bosnians vote in an election this weekend, the country is embracing the US president’s family and friends.

2 updates1 source
Oct 4, 2026
Latest: Pro-Russia Dodik Hails Trump as Allies Win in Bosnia Vote · Bloomberg
TechnologyT2 · Outlet report

Can ‘super intelligence’ and a non-binding safety pact solve AI’s image problem?

On Equity, we discussed the Trump administration's attempts to rebrand AI.

1 update1 source
Oct 4, 2026
Latest: Can ‘super intelligence’ and a non-binding safety pact solve AI’s image problem? · TechCrunch
PoliticsT2 · Outlet report

US Policy on Taiwan Unchanged After Xi Visit, Perdue Says

Donald Trump and Xi Jinping discuss Taiwan arms sales every time they get together but the American stance on the self-ruled island remains unchanged following the Chinese…

3 updates1 source7 days long
Sep 27, 2026 → Oct 4, 2026
Latest: Taiwan’s Envoy Prods Trump Administration on Stalled Arms Sale · Bloomberg