The UK government has released more than 1,500 pages of documents related to the appointment of Peter Mandelson as the former US ambassador, a role he held until his dismissal in September 2025. The files, published on June 1, include emails and texts but omit key messages due to missing data, including WhatsApp exchanges Mandelson refused to provide and messages lost due to phone theft or disappearing functions.
Missing Communications Raise Concerns
Critics, including Conservative MP Alex Burghart, argue the released documents are incomplete. Burghart stated in Parliament that 'very many' messages are missing, some withheld due to ongoing Met Police investigations or 'highly sensitive personal' content. Senior minister Darren Jones acknowledged gaps, citing lost phones and disappearing messages as reasons for the omissions.
Mandelson’s Vetting Process Scrutinized
New documents reveal Mandelson was advised by Foreign Office officials to submit an 'artificial' list of contacts to pass security checks. Emails show officials suggested providing a 'handful of names' to appear comprehensive, despite concerns about his ties to figures like Oleg Deripaska, a sanctioned Russian oligarch. Mandelson required Developed Vetting and Strap Vetting, the highest security clearances, but his associations with foreign nationals were flagged during the process.
Political Fallout and Allegations
The files have intensified scrutiny over Prime Minister Keir Starmer’s handling of Mandelson’s appointment. Some reports suggest Mandelson influenced government reshuffles, a claim denied by Morgan McSweeney, Starmer’s former chief of staff. McSweeney testified that Mandelson was in Downing Street on the day of a reshuffle but claimed his involvement was minimal. Critics, however, argue the missing messages undermine transparency.
Opposing Perspectives on Transparency
While the government insists the files comply with transparency demands, opposition figures and media outlets have framed the omissions as a potential cover-up. Some reports highlight the absence of messages involving Nick Thomas-Symonds, a Cabinet Office minister whose phone was stolen, while others focus on Mandelson’s ties to Jeffrey Epstein, a convicted sex offender. The Metropolitan Police’s ongoing investigation adds another layer of complexity, with officials citing legal constraints on disclosing certain communications.