Six Bulgarians convicted for belonging to a Russian espionage cell were given jail terms of up to 10 years by a U.K. court.

Over the course of three years, five Bulgarian individuals, assisted by a host of others, carried out sophisticated ...

The cell’s operations are believed to be among the “largest and most complex” enemy operations ever uncovered on British soil ...

Six spies embedded in the UK who targeted journalists and dissidents of Vladimir Putin ’s Russia with surveillance operations ...

The leader of a British-based Russian spy ring which prosecutors said carried out surveillance for the Kremlin was sentenced ...

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