Russia’s Federal Security Service, or FSB, issued a statement via Russia’s TASS news service crediting the return of eight Russian citizens in Thursday’s prisoner exchange to what it called ...

Russia has revoked the accreditation of two British diplomats over alleged intelligence activities, the Federal Security Service (FSB) announced on Monday, the latest in a series of tit-for-tat ...

The Russian FSB has arrested a man in Nizhny Novgorod on treason charges, accusing him of sending crypto to “Ukraine-based militants.” ...

MOSCOW, March 3 (Reuters) - Russia's Federal Security Service (FSB) said on Monday it had "neutralised" a man who was planning "terrorist attacks" on the Moscow metro and a Jewish religious ...