A worker walks through a mine in Sichuan in 2009. A gas explosion at a coal mine in southwest China has trapped 50 miners underground, state media said Wednesday, in the latest mining disaster to hit ... more 

A worker walks through a mine in Sichuan in 2009. A gas explosion at a coal mine in southwest China has trapped 50 miners underground, state media said Wednesday, in the latest mining disaster to hit the country less