BEIJING—Two people died and 18 were trapped in a coal mine in eastern China on Oct. 21 after a rock burst destroyed part of a mining tunnel.
The spontaneous fracturing of rock—a kind of earthquake-induced by excavation—took place around 11 p.m. Oct. 20 in Shandong province. Part of a water drainage tunnel was destroyed in the burst, said the official Xinhua News Agency, and two people were killed by fractured rocks that fell in the tunnel.
More than 300 people were working inside the mine at the time of the rock burst, and most were successfully lifted to safety.
Eighteen remained trapped underground late Sunday.
Ventilation has returned to around 200 meters (656 feet) of the damaged tunnel, Xinhua said.
The cause of the accident was being investigated.