Five Cambridge University graduates served as double agents, leaking highly classified information to the Soviet Union

MI5 reveals confessions of three members of infamous Cambridge Five spy ring as tranche of documents released into National Archives

In 1964, Sir Anthony Blunt, the surveyor of the late Queen ... The tale is revealed in declassified MI5 files released to The National Archives in Kew, West London. The decision to finally ...

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents including Kim Philby and Anthony Blunt who spied for the Soviet Union were released for the first time on Tuesday.

Newly-declassified files show the Queen was only told the full story a decade after royal courtier confessed to spying for the KGB.

Anthony Blunt, until 1973—a staggering nine years after his confession. The records, released by the National Archives, reveal that palace officials deliberately delayed telling the monarch ...

Blunt, who worked at Buckingham Palace as Surveyor of the Queen’s Pictures, was under suspicion for years before he finally confessed in 1964 that, as a senior MI5 officer during World War II, he had passed secret information to Russia’s KGB spy agency.

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

Former aide of late Queen Elizabeth II, Anthony Blunt, worked as spy for the Russia for almost 10 years without the queen knowing about it.

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

Newly declassified files reveal the late Queen's very unexpected reaction to the art historian's shocking secret.