About 450 garment workers fell ill during their shifts at a sweater factory near Bangladesh's capital, and authorities said the water supply was suspected to be the cause.
Investigators from the government’s health ministry were testing the water at the Starlight Sweater Factory for possible contamination, area civil surgeon Syed Habibullah said.
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The sick workers suffered vomiting, nausea and upset stomachs starting about two hours into their shifts Wednesday.
Habibullah said they were mainly given saline at hospitals and those who were improving left by Thursday.