The tranche of documents, which are not covered by Freedom of Information laws and released at MI5's discretion subject to ...

Newly declassified British documents show that Queen Elizabeth II wasn’t told details of her long-time art adviser’s double ...

A telegram from Washington stating that MI6 counter-intelligence officer, John Cairncross, later identified as the “fifth man” in the Cambridge spy ring, had admitted spying for Russia.

Philby gave it to his old MI6 friend, Nicholas Elliott, on 9 and 11 January 1963. Elliott, rather than an experienced MI5 interrogator, had been sent out from London to quiz Philby because it was ...