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GUIYANG, Dec. 14 (Xinhua) -- The death toll has risen to six in a coal mine accident in southwest China's Guizhou Province, local authorities said Thursday.
The accident, at 6:38 p.m. Wednesday at Kongjiagou Coal Mine in Weining County, was caused by a gas fire. A further 20 people were injured in the accident.
More than 500 people were involved in the rescue, and the injured were rushed to hospital for medical treatment.
An investigation is underway.
