This is the moment a man, said to be a Ukrainian prisoner of war, takes one last drag from a cigarette next to a shallow grave before reportedly being executed by Russian troops. The chilling video has emerged as Kyiv described the death of the soldier as a 'heinous war crime'. In the grim footage, a man - who can be seen smoking a cigarette in a small hole in the ground - says 'Glory to Ukraine' - while a group of unseen soldiers are heard sneering in the background. He is then shot to death with automatic weapons in...