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

Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

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

Two people are dead and 10 others injured after an explosion at U.S. Steel’s Clairton Coke Works near Pittsburgh. The ...

One worker was pulled from the wreckage hours after the explosion sent black smoke spiraling into the midday sky in the Mon ...

U.S. Steel celebrated the 150th anniversary of the Edgar Thomson steel plant in Braddock with an event Saturday that brought steelworkers, their families, and community leaders together to ...