A Ukrainian cell of the neo-Nazi group “The Base” has claimed responsibility for the July 10 assassination of Colonel Ivan Voronych, a senior official in Ukraine’s domestic intelligence agency (SBU),

Ukraine’s Security Service said Sunday they had killed Russian special service agents suspected of gunning down a fellow officer in Kyiv earlier this week, saying it believed Russia’s Federal Security Service was responsible.

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