5 trapped in north China coal mine accident

Five miners have been trapped after a coal mine accident in north China's Shanxi Province, according to Datong Coal Mine Group.

The accident happened at 2:45 p.m. Tuesday when the roof suddenly caved in at a working platform in a coal mine operated by a company of the group. Of the 13 miners working at the platform, eight came out of the mine safely.

Rescue work is underway. By about 3:30 a.m. Wednesday, rescuers had established contact with the trapped miners.

A preliminary investigation showed that the accident was caused by the collapse of the supporting structure due to lamprophyre.