4 workers trapped in coal mine accident in north China

TAIYUAN -- Four workers are trapped following a coal mine accident in North China's Shanxi province, authorities said Thursday.

The accident happened at 3:51 am 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.