Lord Mandelson has previously expressed his regret for his continued association with Jeffrey Epstein.

Former Labour cabinet minister was sacked as US ambassador last year because of his ties to Epstein

Lord Mandelson has previously expressed his regret for his continued association with Jeffrey Epstein.

Letter from committee on oversight says it is clear the former ambassador ‘holds critical information’

US lawmakers say Mandelson holds 'critical information' about Epstein’s operations and have requested cooperation.