Peter Mandelson, former UK cabinet minister, was arrested Feb. 23, 2026, on suspicion of misconduct in public office.

The Metropolitan Police said former UK cabinet minister Peter Mandelson was arrested on February 23, 2026, on suspicion of misconduct in public office. The investigation focuses on alleged misconduct during his time in public service, which included positions as a Cabinet minister and European Union trade commissioner. Mandelson has not been charged, is free on bail, and is cooperating with the authorities. Police have not revealed specifics about the allegations or the timeline for the investigation. The case has received significant public and political attention as a result of Mandelson's high-profile career and decades of influence in British politics.