UK’s next ambassador to Japan may be called to give evidence in Mandelson inquiry

MPs will decide whether Corin Robertson will face questions over decision to award security clearance against advice

The UK’s next ambassador to Japan could be called to give evidence over the decision to award Peter Mandelson security clearance against the advice of vetting officials.

Corin Robertson was the Foreign Office’s (FCDO) chief operating officer when she was involved in the decision in late January 2025 to grant Mandelson clearance, according to evidence given to MPs.