American Steel

Geoff Turk, U.S. Steel
U.S. Steel

Steel produced in Granite City is part of an international trade case that is subject to new regulations signed by President Barack Obama.

(National Institutes of Health)

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.