AFP: China coal mine blast traps 50

AFP: China coal mine blast traps 50: state media: BEIJING — 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.The blast occurred late Wednesday afternoon in Panzhihua city in Sichuan province, the official Xinhua news agency said.Rescue efforts were now underway, it added.