CHONGQING, Dec. 25 (Xinhuanet) -- The death toll from an explosionTuesday at a natural gas field in southwest China's Chongqing Municipality rose to 191 by 6:40 p.m. Thursday, according to local government sources.

    The tragedy took place at 10:00 p.m. Tuesday at Chuandongbei gas field in Kaixian County, when a well burst suddenly and released a high concentration of natural gas and sulfurated hydrogen. Enditem