CBS News - Explosion leaves 50 trapped in China mine, Nov 04, 2011

"(AP) BEIJING - Rescuers pulled seven injured miners to the surface Friday and were trying to reach 50 others trapped after a rock explosion in a coal mine in central China, state media reported.

Four miners were killed in the rock blast Thursday evening and 14 managed to escape, the official Xinhua News Agency said. The rock explosion happened just after a small earthquake shook near the mine in the city of Sanmenxia in Henan province."