A gas leak killed 32 coal miners in southwest China.
The leak occurred at the Qunli mine in Nayong county in Guizhou province, and three others are missing, presumed dead.
The government warned recently that China's mining industry, the most dangerous in the world, would likely see more accidents as output was boosted to provide heating for the winter months.
China's coal mines average 13 deaths a day in fires, explosions and floods, despite government efforts to improve safety.
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Many of the accidents are blamed on mine owners who disregard safety rules and fail to invest in required equipment.