A terrifying video has emerged from China of a robbery at a 24hour grocery.<br /><br />The CCTV, captured last week in Chaozhou, shows a man walking casually up the counter and then suddenly holding a knife to the neck of the female cashier.<br /><br />The man then grabs handfuls of cash from the till and walks calmly from the shop.<br /><br />Police are investigating the incident.
