Repairing Clairton, however, could be expensive, an investigation into the explosion could turn up more problems, and an ...

The explosion at U.S. Steel's Pittsburgh-area plant has reignited debate about its future. The plant, part of a long-standing ...

U.S. Steel said its investigation indicates the explosion happened when workers were flushing a gas valve in preparation for ...

The preliminary findings say how the company believes the explosion occurred. A union statement cautioned the investigation is in its early stages.

An explosion at a US Steel plant near Pittsburgh, Pennsylvania, left two people dead and at least 10 injured on Monday, ...