While climbing the ranks of the Soviet spy agency, he spent more than a decade working for British intelligence as one of its ...

For more than a decade, as Cold War tensions threatened to escalate into all-out war, Mr. Gordievsky, a senior KGB officer, ...

LONDON (AP) — Oleg Gordievsky, a Soviet KGB officer who helped change the ... He was one of several Soviet agents who grew disillusioned with the USSR after Moscow’s tanks crushed the Prague Spring ...

Former KGB double agent Oleg Gordievsky has died aged 86. Gordievsky was said to be Britain's most valuable spy inside Russia's intelligence agencies and spent many years leaking information to ...

the BBC understands Oleg Gordievsky, the long-standing KGB double agent who defected to Britain, has died aged 86. Gordievsky was said to be Britain's most valuable spy in living memory inside ...

Oleg Gordievsky, the long-standing KGB double agent who defected to Britain, has died aged 86. Gordievsky was said to be Britain's most valuable spy in living memory inside Russia's intelligence ...

Oleg Gordievsky, a high-ranking KGB officer who ... Britain would not expel all of the KGB agents he had exposed. Moscow rejected the offer, and Thatcher, pointing to information Gordievsky ...