Politics
Top Cabinet Secretary Advised Starmer to Vet Mandelson Before Appointment
April 20, 2026
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New documents reveal the Cabinet Secretary warned Keir Starmer to complete security vetting for Peter Mandelson before announcing an appointment, while Mandelson was offered a 'higher tiers' briefing before vetting was finalized.
Keir Starmer, the leader of the opposition, was reportedly advised by the then Cabinet Secretary, Simon Case, to complete the security vetting process for Peter Mandelson before announcing his appointment, according to newly released documents.
The documents, which were disclosed last month by the Cabinet Office as part of the ongoing disclosures over the appointment of the US ambassador, also show that Mandelson was offered a
