从山西省吕梁市兴县有关部门获悉，4月1日21时15分，中煤关家崖煤业有限公司发生一起冒顶事故，有4人被困。2日2时46分，被困4人被救援升井，已无生命体征。

It was learned from the relevant departments of Xing County, Lüliang City, Shanxi Province that at 21:15 on April 1st, a roof collapse accident occurred at Zhongcaozhuan Coal Industry Co., Ltd. Four people were trapped. At 02:46 on April 2nd, the four trapped people were rescued and lifted out of the mine. They have no vital signs now.

中煤关家崖煤业有限公司隶属中国中煤能源集团旗下中煤集团山西有限公司，生产能力为150万吨/年。

Zhongcao Guanjia'ya Coal Industry Co., Ltd. is affiliated to China Coal Energy Group Corporation's Shanxi Branch of China Coal Group. Its production capacity is 1.5 million tons per year.