Terrifying moment AK-47 wielding gunman opens fire in supermarket as panicked shoppers and staff flee in horror

THIS is the horrifying moment a gunman armed with an AK-47 opens fire in a supermarket in front of terrified shoppers and staff. Heart-stopping footage showed the rifle-wielding shooter letting his weapon loose – before stunned bystanders ran for their lives. Astonishingly, no one was hurt during the frightening ordeal. Police in the Russian-occupied Donetsk…