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

The Cambridge Five consisted of Harold ‘Kim’ Philby, Guy Burgess, Donald Maclean, Anthony Blunt and John Cairncross, who together made up the most infamous spy ring of the 20th century. They were all ...

Amid fears of arrest and that their spy ring was about to be broken up ... The trio, together with Kim Philby and John Cairncross, had all been recruited by the Russians while or after studying at ...

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

The Cambridge Five consisted of Harold ‘Kim’ Philby, Guy Burgess, Donald Maclean, Anthony Blunt and John Cairncross, who together made up the most infamous spy ring of the 20th century.

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.

Mr Philby and Mr Blunt were, along with Mr Guy Burgess, Mr Donald Maclean and Mr John Cairncross ... without surprise," it said. Mr Cairncross, the last of the spy ring to be publicly identified ...

Trove of newly declassified files detail investigations into some of country’s most notorious double agents the ‘Ring of Five’ who passed information to Soviets for three decades ...

Philby and Blunt were, along with Guy Burgess, Donald Maclean and John Cairncross, part of the "Ring of ... "She took it all very calmly and without surprise," it said. Cairncross, the last of the spy ...