A rescuer is seen working at the accident site after a gas explosion took place in a coal mine in Shizuishan, northwest China's Ningxia Hui Autonomous Region, Sept. 27, 2016. Twelve people died in the gas explosion which occurred on Tuesday morning at a small coal mine belonging to Linli Coal Mining Co. Ltd. in Shizuishan City. Eight more remain trapped under ground. (Xinhua/Li Ran)
