Revealed: second Kremlin spy ring targeting Russian dissidents discovered in UK

After the spying convictions of six Bulgarians, police have warned of further Russian operations against opponents

A second Kremlin spy operation has been discovered targeting Russian dissidents in Britain, it can be revealed.

Roman Dobrokhotov, a journalist in the sights of the six Bulgarians convicted of spying for Russia, said he had been informed of fresh attempts to surveil his family.