More than 250 people who were either bereaved by the bombing, or survived it, are suing MI5, MI6 and GCHQ at an Investigatory ...

MI5 has issued a rare warning that an alleged Chinese agent has infiltrated Parliament to interfere in UK politics. An alert from the security service said Christine Ching Kui Lee "established ...

MI5 is being forced to 'pare back' its fight against counterterrorism due to growing threats of meddling from Russia and other aggressive countries. Security agency boss, Ken McCallum revealed ...

More than 300 people affected by the Manchester Arena bombing cannot continue their legal action against MI5, judges at a specialist tribunal have ruled. Survivors and people bereaved by the ...

Russia's intelligence agency has been on a sustained mission to generate "mayhem on British and European streets", the head ...