Death toll in China coal mine accident rises to 21

XI'AN - All the 21 miners trapped underground were confirmed dead after a roof collapse happened in a coal mine in Northwest China's Shaanxi province, according to local authorities on Sunday.

The accident happened around 4:30 pm local time Saturday at the Lijiagou coal mine of the Baiji Mining Co., Ltd. in the city of Shenmu. At that time, 87 people were working underground. Sixty-six of them were lifted to safety after the accident.

An investigation into the cause of the accident is underway.