A Ukrainian military official who blew himself up with a grenade he got as a gift probably 'did not believe' it was real

• 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.

A 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.

Hennadii Chastiakov, the assistant to Ukraine's commander in chief, Valerii Zaluzhnyi, was celebrating his birthday on Monday when a grenade went off, Ukraine's interior minister, Igor Klymenko, said in a Telegram post on Monday.