UK-based Russian spy ring linked to ‘highest echelons’ in Bulgaria, trial told - The court heard that three Bulgarians helped ...

Ukraine's security agency said it thwarted a Russian spy network from collecting intelligence on aviation facilities for ...

The British navy said Wednesday that is ramping up measures to protect its waters from secret Russian operations after ...

The last British submarine known to have severed a cable was HMS Conqueror in 1982. Fresh from firing the missiles that sank Argentina’s Belgrano in the Falklands War, it cut an acoustic array trailed ...

A Royal Navy submarine was authorized to surface close to a Russian ship "strictly as a deterrent measure," British Defense ...

A dangerous incident occurred in the Mediterranean Sea, near the coast of Syria. A fire broke out on the Russian spy ship "Kildin." The vessel lost maneuverability for several hours. Despite the ...

The UK authorized the British submarine to surface closely to the Russian vessel to warn it off, British defense secretary ...

A closer look at recently declassified MI5 files on the intelligence failure surrounding the five "Cambrdige spies" ...

The British defense secretary told Parliament that the Yantar, which he described as a Russian spy ship, had come near ...

Ministers have repeated warnings of security threats from Russia after the Royal Navy was deployed to shadow a suspected ...

The Royal Navy has been monitoring a Russian spy ship after it was spotted around UK waters earlier this week, the defence ...

The United Kingdom has confirmed that one of its Royal Navy nuclear-powered submarines surfaced close to the Yantar, a ...