It will take rescuers three to five days to reach seven people trapped in a southwest China coal mine that caved in Monday, authorities said Wednesday.
Zhang Rubin, an official with the Coal Industry Bureau of Luxi county, said four teams of rescuers had cleared an estimated 50-foot path in the caved-in shaft but still have about 245 feet to go to reach those trapped in the mine in Luxi county in Yunnan province, the official Xinhua news agency reported.
Heavy dust in the mine channel made it difficult for rescuers to do excavation and repair work, Zhang said.
Ten people -- the coal mine's manager, a safety inspector and eight workers -- were trapped when the mine shaft caved in Monday afternoon. Three had been rescued by Tuesday evening.
Yunnan Dongyuan Luxi Coal Mine Industry Co. Ltd. owns the mine, Xinhua said.
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