Initial investigations found the fire, which claimed the lives of at least three firefighters, was caused either by arson or a technical glitch.This drone footage was captured by Vidsich, a pro-Ukrainian movement, and was filmed on Tuesday, June 9. The fire had been brought “under control” by Wednesday, June 10, Ukrainian media reported. See drone footage from Monday here. Credit: Vidsich/Eugeny Arkhipov">