SW China colliery blast kills 3, injures 4(在线收听

   GUIYANG, Feb. 19 (Xinhua) -- Three people were killed and four others injured, including three who were seriously injured, in a coal mine blast in southwest China's Guizhou Province, local authorities said Tuesday.

  The blast occurred around 5:25 p.m. at the Kaifa coal mine in Jinsha County, when officers from a local police station and coal mine workers were destroying expired explosives, sources with the county government said.
  The three who sustained serious injuries have been sent to a local hospital.
  An investigation into the cause of the blast is underway.
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