TAIYUAN, March 21 (Xinhua) -- Four people have been confirmed dead after a building was destroyed by an explosion at a mining company office building in north China's Shanxi Province, said the local production safety watchdog on Saturday.
The explosion occurred at 4:30 p.m. Friday in the office building of the Dongfang Zhenxing Coal Mining Co. Ltd. A deputy director of the company was among the dead.
An initial police investigation has ruled out arson. Police said the blast was caused by explosives stored in the mining company.
The city government of Yangquan, which administrates the mining area, has ordered a safety overhaul on detonation materials after the accident.