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

United States Steel said on Friday a fatal blast that killed two and injured 10 others at its Clairton Coke Works plant near ...

The mill, which is part of the recent merger between U.S. Steel and Nippon Steel, has faced scrutiny from federal and local ...

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

The explosion, which occurred on a compound home to two fireworks companies and a gun dealer, sparked the 78-acre Oakdale ...

Gov. Josh Shapiro, Allegheny County Executive Sara Innamorato and U.S. Steel CEO David Burritt held an emotional press ...