Updated at 4:35 p.m. with response from Barnes-Jewish Hospital.
Updated at 3:30 p.m. with additional information and clarifications.
A reported explosion at a southwestern Illinois steel plant has injured at least nine people, including two who remain hospitalized.
Fire officials say the blast happened shortly after 8 a.m. Thursday at American Steel Foundries in Granite City, just northeast of St. Louis.
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