According to various information, there was an explosion of the fuel tank of a military helicopter Mil Mi-8, this and the ensuing fire had to destroy the helicopter, and apparently not far from standing civilian Antonov An-2 UR-ABAB. The reasons of the explosion are given as shooting (sniper ?), the use of explosives (targeted - e.g., grenade, RPG, etc.) or improper handling of an undisclosed weapons/ammo. It happened at the airport Kramatorsk.
Sources:
aviation-safety.net
aviation-safety.net
www.segodnya.ua
www.mil.gov.ua
www.segodnya.ua.
Sources:
aviation-safety.net
aviation-safety.net
www.segodnya.ua
www.mil.gov.ua
www.segodnya.ua.