Lord Peter Mandelson was sacked as UK ambassador to the US in September 2025 after leaked emails showed the peer had sent supportive messages to Jeffrey Epstein even as he faced jail for sex offences

Publication comes at a moment of peril for Keir Starmer’s embattled administration.

A tranche of documents in March showed official vetting of Mandelson had warned of ‘reputational risks’ over his Epstein ties.

The release revives a controversy that has dogged Starmer's government since reports emerged about Mandelson's past links to the late financier and convicted sex offender Jeffrey…