The MI5 boss warned of "fast-rising" state threats coupled with a "near record" number of terrorism investigations.
UK faces 'new era' of state and terror threats, warns MI5 chief
The head of MI5 said the number of people in the UK under investigation for 'state threat activity' - also including from Russia and Iran - has jumped by 35% in the past year.
Thursday 16 October 2025 18:13, UK