Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...

A Monongahela business launched a fundraiser to benefit employees of the U.S. Steel Clairton Works after Monday’s explosion at the plant that killed two and injured at least another 10. Michelle ...

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