An assertion by the head of the UK's MI5 security service that Russia's GRU military intelligence agency is bent on causing ...

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

The head of Britain’s domestic security service said Russia’s military intelligence service was pursuing “dangerous actions ...

Russian spies are “on a sustained mission to generate mayhem in British streets”, the head of MI5 has said. Ken McCallum said ...

An assertion by the head of the UK's MI5 security service that Russia's GRU military intelligence agency is bent on causing ...

In a briefing in West London, Ken McCallum, director-general of MI5 warned: 'If you take money from Iran, Russia or any other ...

Russian officials just piped up over MI5′s recent warning Moscow agents are looking to cause “mayhem” on British streets and ...

MI5 director-general Ken McCallum says the UK faces an increased threat from "Putin's henchmen" and "plot after plot" from ...

MI5's Ken McCallum has warned of Russia's efforts to create "sustained mayhem" on British and European streets.

Russian military intelligence is seeking to cause "mayhem" across Britain and Europe, the UK's domestic spy chief said on ...

Head of U.K.’s MI5 warns that Russia and Iran are hiring low-level criminals to undertake sabotage missions and attacks on ...

The head of MI5 has said the threat from Islamic State has returned, while both Iran and Russia are increasing efforts to ...