Security Vetting Debate

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Department: Cabinet Office

Security Vetting

Rachel Gilmour Excerpts
Monday 20th April 2026

(1 day, 9 hours ago)

Commons Chamber
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Rachel Gilmour Portrait Rachel Gilmour (Tiverton and Minehead) (LD)
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We know that MI6’s finding last September that Mandelson had compromising business interests was accurate—I mentioned it myself on 15 September 2025. He failed his security vetting. We also know that the former Cabinet Secretary advised the Prime Minister to carry out security clearance for Mandelson before his appointment. It was reported in The Times yesterday that Mandelson was given STRAP—the very highest security vetting, well beyond DV—despite being failed for DV. It is likely that the Americans will have serious questions about what secrets of theirs a compromised British ambassador might have accessed. Despite all this, we also know that the PM and No. 10 were utterly determined to appoint Mandelson as ambassador to DC, come hell or high water. My question is: why?

Keir Starmer Portrait The Prime Minister
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I assure the hon. Lady that I have ordered a review of any national security issues arising in relation to what I found out last Tuesday. I will obviously update the House when that review is complete.