--It happened in the Ural Mountains region of Western Russia, and the videos show giant trails of smoke, and a huge fireball streaking down through the sky. Then you hear a massive boom when it lands. --The shockwaves of the impact blew out windows and damaged buildings, and early reports said somewhere between 100 and 400 people were injured, from broken glass and concussions. Witnesses said it felt like an earthquake. --Supposedly about twenty thousand rescue workers have been sent to deal with the structural damage.