Ukraine is investigating reports that Russian soldiers shot at civilians in the embattled frontline town of Selydove, prosecutors said Sunday. A video posted on Telegram by “Ghost of Khortytsia,” a Ukrainian army unit, purported to show Russian forces opening fire on a civilian vehicle. The footage taken from a drone shows a person rushing around the side of a car, with an on-screen caption saying the vehicle had come under “enemy fire.” A second clip showed what appeared to be two Ukrainian soldiers accompanied by one of the car’s occupants dragging an injured person away from the scene. “Dur…