Former Foreign Office Head to Face MPs Over Mandelson Clearance

Sir Olly Robbins, former Foreign Office Permanent Secretary, will answer MPs' questions regarding Peter Mandelson's security clearance. This appearance follows revelations that security officials explicitly recommended denying Mandelson's clearance, intensifying scrutiny on Downing Street's role.

Sir Olly Robbins, formerly the top civil servant at the Foreign Office, is set to appear before the Foreign Affairs Committee. He will address questions regarding the security clearance granted to Peter Mandelson, who was announced as the UK's choice for US ambassador in December 2024. This public inquiry follows increasing scrutiny of the decision-making process that led to Mandelson's appointment and subsequent removal in September 2025.

Security officials expressed the highest level of concern during Peter Mandelson's vetting process. They explicitly recommended denying his security clearance. This development has intensified focus on the decision to grant clearance despite these significant warnings from vetting authorities.

Lord Simon McDonald, Sir Olly's predecessor as Permanent Secretary, stated that No 10 sought a 'scalp' quickly following public questions about the clearance. This comment suggests a desire for a swift consequence from the highest levels of government. The potential for political pressure on civil service decisions remains a central point of concern.

Sir Olly Robbins is now scheduled to appear before the Foreign Affairs Committee. He will provide testimony about Mandelson's security clearance and whether No 10 received information about these initial red flags before the clearance was ultimately granted. This session will scrutinize the internal communications and reporting lines within government.

The committee's inquiry aims to clarify the chain of command and information flow regarding sensitive security assessments. It seeks to establish who knew about the security recommendations and when in the process. This situation raises significant questions about accountability within Whitehall and the protocols for appointing senior diplomatic figures, especially given the explicit warnings from security experts. The Foreign Secretary has initiated a full review of the information provided to ministers concerning Mandelson's appointment. What emerges from Sir Olly's testimony will likely shape further investigations into how high-level security clearances are managed and communicated across government departments, impacting future diplomatic appointments.