Some MI5 material relating to its involvement with a teenager who was charged with terrorism before taking her own life is ...

Widening the definition of terrorism could overwhelm the police and MI5, the lawyer carrying out a review of the definition ...

Newly declassified British documents show that Queen Elizabeth II wasn’t told details of her long-time art adviser's double life as a Soviet spy because palace officials didn’t want to add to her ...

Some MI5 material relating to its involvement with a teenager who was charged with terrorism before she took her own life is being “withheld” from her inquest but is “not a cause for concern”, a ...

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

Jan. 14 (UPI) --Documents newly declassified by MI5, Britain's internal intelligence agency, show the late Queen Elizabeth II was not informed for almost 10 years that a member of her staff had ...

A defendant in an alleged Russian spy ring case told police he had already spoken to MI5 when he was arrested, the Old Bailey ...

Queen Elizabeth II was not officially informed for almost a decade that one of her most senior courtiers had confessed to being a Soviet spy, according to newly released MI5 files. Art historian ...

A World War II-era guide to tailing a target, and files on notorious double agents such as Kim Philby, feature in MI5: ...

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

Avoid facial disguises, carry loose change and be ready to make split-second decisions: just some of the advice Britain’s ...