Ukraine and Russia have escalated their shadow war of espionage, sabotage, and assassinations, with both countries claiming a ...

Two Russian agents were killed by Ukrainian security forces Sunday following reports that the Russian operatives assassinated ...

Ukraine’s Security Service said Sunday they had killed Russian special service agents suspected of gunning down a fellow ...

Ukrainian Security Service says two Russian FSB agents suspected of killing Colonel Ivan Voronych on July 10 have been ...

KYIV, July 13 (Reuters) - Ukrainian intelligence agents on Sunday killed members of a Russian secret service cell wanted on ...

Kyiv says two people accused of working for Russia and shooting dead a Ukrainian intelligence officer were killed.

Ukraine's security agency says it has killed Russian agents suspected of assassinating a senior officer in Kyiv.

Hundreds of Russian attack drones and more than two dozen cruise missiles targeted Ukraine overnight, killing at least two ...

Russia pounded Ukraine’s capital with another major missile and drone attack overnight into Thursday, killing at least two ...

Ukraine behind new pipeline explosion in Siberia that supplies Russian military-industrial complex, source claims * Russian ...

Secretary Rubio expressed “disappointment and frustration” with the lack of progress in Ukraine peace talks after meeting ...