Four workers are trapped following a coal mine accident in north China's Shanxi Province, authorities said Thursday.
The accident happened at 3:51 a.m. Thursday, when an outburst of coal and gas struck 12 workers digging a tunnel underground for a colliery company under Huayang New Material Technology Group Co., Ltd.
Of the workers, eight have been lifted from underground, while efforts continue to save the rest, according to the company.
