ISIS and al Qaeda present a “resurgent” threat to the United Kingdom, the head of the country’s domestic security service warned in a rare public intervention on Tuesday, as he outlined a changing landscape of terrorism that is increasingly relying on children and on the internet.

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

Ken McCallum says Russian intelligence agencies are also on a ‘sustained mission to generate mayhem on British and European streets’ with ‘arson, sabotage and more’