Anthony Blunt, who worked at Buckingham Palace as Surveyor of the Queen’s Pictures, was secretly a Soviet spy during WWII.

Jan. 14 (UPI) --Documents newly declassified by MI5, Britain's internal intelligence agency, show the late Queen Elizabeth II ...

Thomas ‘Cash’ Mellon has walked away from the New IRA amid pressure from his own ‘ceasefire’ colleagues and MI5.

A closer look at recently declassified MI5 files on the intelligence failure surrounding the five "Cambrdige spies" ...

Rookie wartime MI5 "watchers" were advised they needed to be prepared to offer a big tip if they had to tell a taxi driver to ...

Critics warn counter-terrorism police and MI5 will be swamped with thousands more cases involving people not considered to be ...

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified ...

Jonathan Hall KC warned that football hooligans and criminal gangs could technically be classed as terrorists under Sir ...

Widening the definition of terrorism could overwhelm the police and MI5, the lawyer carrying out a review of the definition has warned. Jonathan Hall KC, the independent reviewer of terrorism ...

Queen Elizabeth II was not officially informed for nearly a decade that Anthony Blunt was a Soviet spy, newly declassified ...

Newly declassified British documents show that Queen Elizabeth II wasn’t told details of her long-time art adviser's double ...

Queen Elizabeth II wasn’t told details of her long-time art adviser’s double life as a Soviet spy because palace officials ...