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

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

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

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

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

Director General Ken McCallum warned of a growing threat from Russia and Iran, as well as from al-Qaeda and Islamic State.

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

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 ...

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

MI5 boss Ken McCallum said Russian agents have carried out ‘arson, sabotage and more dangerous actions’ in the UK.