Chinese rioters batter police officers unconscious in horrific revenge attack after they beat innocent bystander until he vomited blood Hundreds of rioters battered five Chinese police officers to within an inch of their lives in protest at the beating of a woman and a brutal attack on an innocent bystander. A baying mob rounded on the officials after hearing reports they had bullied a female street vendor then attacked a man who took photos of the incident. Eyewitnesses said the photographer was punched to the ground, then kicked and hit with a hammer for more than a minute until he vomited blood. Scroll down for video Fury: Hundreds of rioters round on a police van in violent protest after officers battered an innocent bystander because he had been taking photos of them bullying a female street vendor Outrage: Eyewitnesses said the photographer was punched to the ground, then kicked and hit with a hammer for more than a minute until he vomited blood The violence escalated when rumours circulated the photographer had died, although other reports said he was in a stable condition in hospital. Some of the officers fled the scene after the attack while others got inside a yellow van but were soon surrounded by angry onlookers, some of whom burst the vehicle's tyres to prevent an escape. It said some protesters smashed the vehicle's windows with bricks and others overturned an ambulance. Pictures and video posted on Chinese social media show the crowds kicking, punching and stamping on the officers while shouting 'Kill them! Kill them'.