Where evidence was subject to a Public Interest Immunity certificate, ‘the assessment of the Minister and of the Secretary of State regarding the nature and extent of damage to national security should have been accepted by the Coroner unless there was no evidence to support that assessment or the assessment was Wednesbury irrational’ and prior to making any decision to disclose, the Coroner ‘should have obtained and considered the reasoned views of the Minister or the Secretary of State’: https://caselaw.nationalarchives.gov.uk/uksc/2025/47
