The four workers trapped in a coal mine shaft following a coal and gas outburst accident on Thursday in north China's Shanxi Province were confirmed dead, rescuers said Friday.
Their bodies were all retrieved as of 10:35 a.m. Friday, and the rescue work has completed, according to the rescue headquarters of the accident.
The accident happened at 3:51 a.m. Thursday, when 12 workers were digging a tunnel underground for a colliery company in Zuoquan County under Huayang New Material Technology Group Co., Ltd. Among them, eight were lifted from underground.
Further investigation into the cause of the accident is underway.
