British police on Friday searched two properties linked to ex-ambassador Peter Mandelson as part of a probe into potential misconduct stemming from his ties to the late Jeffrey Epstein.

Keir Starmer’s top aide has resigned over the appointment of Peter Mandelson as US ambassador despite links to convicted sex offender Jeffrey Epstein.

Lord Mandelson has not been arrested or commented publicly on the allegations, but the BBC understands his position is that he has not acted in any way criminally and that he was not motivated by fina...