MI5 warns that Russia's intelligence agency is attempting to incite chaos in the U.K., particularly following the U.K.'s ...

In a rare public speech, MI5 Director General Ken McCallum also warned of a 'staggering rise' in attempts at assassination and other crimes on U.K. soil by Russia and Iran.

ISIS has resumed its attempts to export terrorism to Britain, the head of the UK’s domestic intelligence agency has said, ...

Ken McCallum says Russian intelligence agencies are also on a ‘sustained mission to generate mayhem on British and European ...

In a rare public address on Tuesday, MI5 director Ken McCallum outlined the growing threats to the UK from hostile states and terror groups. McCallum revealed that the number of state-threat investiga ...

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Britain's domestic spy chief Ken McCallum warned of the dangers posed by Russia and Iran as well as growing concern about Al ...

The head of MI5 says Britain is facing a staggering rise in attempts at assassination, sabotage and other crimes backed by ...

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

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

The risk presented by Islamic State terrorism and hostile states such as Iran and Russia has surged in the last year, the spy ...