More than 70 workers were stranded underground for several hours last weekend when a fire broke out at a potash mine near Esterhazy, Sask., on March 3.
Mine owner Mosaic said the flames from Saturday’s fire were quickly put out and 22 workers were brought to the surface.
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Mosaic spokeswoman Sarah Fedorchuk said air-quality checks raised concerns and dozens of other employees were told to stay in their underground refuge stations until the all-clear was given around 8:00 p.m. CT. No one was hurt.
Fedorchuk said an investigation into the fire is underway, although it appears the emergency may have been caused by an overheated belt.
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