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

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

In a rare public speech setting out the major threats to the United Kingdom, Ken McCallum argued that hostile states, ...

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

Britain is facing a “staggering rise” in assassination attempts on its soil by Russia and Iran, as the hostile states recruit ...

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

Britain is facing a "staggering rise" in attempts at assassination, sabotage and other crimes on U.K. soil by Russia and Iran ...

James Callis told UPI the Claude Whelan, the MI-5 director he portrays on "Slow Horses," means well, but is in over his head in the spy agency's top position.

The head of MI5, Ken McCallum, has issued a stark warning about the increasing terror threat from children in Britain. Over ...

The head of MI5 revealed during a briefing that Iranian intelligence services have been using UK criminals as proxies acting ...

Speaking from the Counter Terrorism Operations Centre in London, Ken McCallum gave his latest update on the current national ...

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