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

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

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

Ken McCallum, head of the Security Service (MI5), has warned of the serious threat to Britain posed by the Russian and ...

The UK has seen deadly terrorist attacks on its streets despite the efforts of British spies to target and locate individuals ...

Russian officials just piped up over MI5′s recent warning Moscow agents are looking to cause “mayhem” on British streets and ...

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

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

Video: MI5 Director General warns Russian spies are 'on a sustained mission to generate mayhem' This year MI5 tracked down ...

Russian spies are “on a sustained mission to generate mayhem in British streets”, the head of MI5 has said. Ken McCallum said ...

In a briefing in West London, Ken McCallum, director-general of MI5 warned: 'If you take money from Iran, Russia or any other ...