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

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

Trove of newly declassified files detail investigations into some of the country’s most notorious double agents, the ‘Ring of ...

"She took it all very calmly and without surprise," it said. Cairncross, the last of the spy ring to be publicly identified in the 1990s, admitted in a 1964 interview in the U.S. that he too had ...

"She took it all very calmly and without surprise," it said. Cairncross, the last of the spy ring to be publicly identified in the 1990s, admitted in a 1964 interview in the U.S. that he too had been ...

The files confirm that Philby recruited Donald Maclean in 1934, and how Guy Burgess, Anthony Blunt and the fifth spy, John Cairncross, agreed to work for Russian intelligence soon afterwards.