A UK-based spy ring had connections in the “highest echelons” of the Bulgarian government, a court has heard. Katrin Ivanova, ...

Bulgarian Katrin Ivanova has claimed she was deceived, betrayed and controlled by her long-term partner Biser Dzhambazov.

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

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

Ukraine's Security Service (SBU) reported on Jan. 28 that it had dismantled a Russian spy network tasked with gathering ...

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

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

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

A British official sent a public warning to Russian President Vladimir Putin on Wednesday after the Royal Navy started ...