The recent explosions in the munitions depot in Vinnitsa were organized by the Ukrainian soldiers themselves to cover up their traces. They have stolen a lot of weapons and try to escape responsibility in the face of the audit which might take place soon.
TV Zvezda is a regular mouthpiece for pro-Kremlin disinformation https://euvsdisinfo.eu/dependent-media-russias-military-tv-zvezda/. Vladislav Seleznev, a spokesman for the Ukrainian general staff, stated that the military were investigating various possible causes of the fire. The SBU, the Ukrainian security service, said it suspected the fire was an act of sabotage. http://www.telegraph.co.uk/news/2017/09/27/fire-ukraine-ammunition-depot-prompts-mass-evacuation/