AlHijjah 19, 1432, Nov 15, 2011, SPA -- Six people have been confirmed dead in a coal mine gas leak in central China's Hubei Province Tuesday afternoon, local authorities said. The gas leak happened at about 2 p.m. at the Lengjiawan Coal Mine in Zigui County in the city of Yichang, Xinhua quoted the county government as saying in a press release. Earlier, the county government reported it was a gas explosion. The gas leak left six miners trapped underground and by 11 p.m., all the trapped miners have been found dead and their bodies retrieved to the ground, it said. An investigation into the mine accident is underway.