GUIYANG, Feb. 27 (Xinhua) -- A coal mine gas explosion killed seven people and injured 11 in southwest China's Guizhou Province Monday, local authorities said.
The explosion occurred in Dahebian Coal Mine in Liupanshui city at 7:32 a.m. when 41 were working underground. Twenty-three have been lifted out of the shaft safely.
The Dahebian coal mine belongs to the state-owned Guizhou Shuicheng Mining Company, which has an annual output of 900,000 tonnes.
The cause of the accident is being investigated.