This is the back of the safety helmet worn by a steelworker listening to Pennsylvania Governor Josh Shapiro's meeting with ...

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

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

The Trump administration won't take control of the Washington police force, but more military personnel are being deployed ...

The preliminary findings say how the company believes the explosion occurred. A union statement cautioned the investigation ...

The deadly explosion at Clairton Coke Works near Pittsburgh occurred when a gas valve was flushed before planned maintenance, ...