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

Corin Robertson, who is due to take up her post in Tokyo in August, is yet to be questioned over her involvement in granting Mandelson security clearance. Photograph: gov.uk

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.