The blast in Shanxi province happened shortly after the mine had issued a carbon monoxide alert.

The accident took place at 9.43 pm (local time) at the Liushenyu coal mine in Qinyuan County of Changzhi City. | World News

At least four people are dead and 90 others are trapped underground after carbon monoxide levels “exceeded limits” in a coal mine in northeast China on Friday night, according to…

Xi tells authorities to 'spare no effort' and orders investigation