A Ukrainian commander's top aide was killed in an explosive "accident," a Ukrainian official said. A suspect warned Hennadii Chastiakov that the grenades he gave him for his birthday were real. "The deceased probably did not believe this information," Maryana Reva told Radio Svoboda. AdvertisementAdvertisementA Ukrainian military aide who blew himself up with a grenade he was given as a birthday gift probably didn't believe it was real, according to a preliminary investigation. The suspect had "warned that the grenades were live ammunition," Reva told the outlet, but "the deceased probably did not believe this information," she said.

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Persons: Hennadii Chastiakov, Maryana Reva, Radio Svoboda, —, Valerii Zaluzhnyi, Igor Klymenko, Chastiakov, Reva, Klymenko, Ukrainska, Zaluzhnyi Organizations: Service, Ukraine's Ministry, Internal Affairs, Radio, Ukraine's National Police, Ukrainska Pravda, Guardian Locations: that's