State Threat Prevention and Investigation Measures: 20 December 2025 to 19 March 2026

Home Office written statement – made at on 29 April 2026.

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Photo of Dan Jarvis Dan Jarvis The Minister of State, Home Department, Minister of State (Home Office) (Security), Minister of State (Cabinet Office)

Section 55(1) of the National Security Act 2023 (the 2023 Act) requires the Secretary of State to report to Parliament as soon as reasonably practicable after the end of every relevant three-month period on the exercise of their STPIM powers under the Act during that period.

STPIMs were introduced through the 2023 Act and came into force on 20 December 2023. There have been no STPIM cases imposed to date.

Secretary of State

Secretary of State was originally the title given to the two officials who conducted the Royal Correspondence under Elizabeth I. Now it is the title held by some of the more important Government Ministers, for example the Secretary of State for Foreign Affairs.