Mystery silent flash illuminates the sky in Stavropol in southern Russia . The driver was in almost pitch - black condition when the event occurred . experts say the strange flash causes street lights to go out . Experts can not explain the phenomenon but agree that it is not natural . The light has fueled fears of extraterrestrial activity in the area .
Mystery silent flash illuminates the sky in Stavropol in southern Russia . The driver was in almost pitch-black conditions when the event happened . Eyewitnesses say the strange glow caused street lights to go out . Experts can not explain the phenomenon but agree that it is not natural . The light has sparked theories of extraterrestrial activity in the area .