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

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

ISIS and al Qaeda present a “resurgent” threat to the United Kingdom, the head of the country’s domestic security service ...

The head of the British Security Service assures that Russian officials have been operating in recent years as "private ...

MI5 chief Ken McCallum said in a speech on Tuesday the GRU was "on a sustained mission to generate mayhem on British and ...

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

The head of the MI5 said Russia and Iran are hiring low-level criminals to undertake sabotage missions and attacks on ...

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

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

MI5's Ken McCallum warns of Russian chaos, Iran plots, rising terror threats, and increasing youth radicalisation in the UK.

The head of Britain’s domestic spy agency accused Russian military intelligence of being on a “sustained mission to generate ...

MI5 Director General Ken McCallum said that Russia and Iran were increasingly leaning on low-level criminals to undertake ...