14 (UPI) --Documents newly declassified by MI5, Britain's internal intelligence ... that a member of her staff had spied for the then-Soviet Union. The secret files record how the country's ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday by Britain's ... whose members spilled secrets to the Soviet Union from the heart ...

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

Suspicion over Philby’s loyalties continued however, as an 89-page transcript shows that he was interviewed by barrister and ...

Papers released by MI5 show that although Blunt confessed ... after when his fellow spies Guy Burgess and Donald Maclean fled to the Soviet Union. He had been a close friend of Burgess since ...

Blunt was a senior MI5 officer during World War II and passed ... He was questioned several times after Maclean and Burgess fled to the Soviet Union in the 1950s. But without a confession, he ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday ... whose members spilled secrets to the Soviet Union from the heart of ...

Historian Christopher Andrew says in the official history of MI5 that the queen had previously ... whose members spilled secrets to the Soviet Union from the heart of the U.K. intelligence ...