HARRISBURG, Pa. (AP) — Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel ...

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

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.

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

When horrific situations strike in the Pittsburgh area, such like the U.S. Steel Clairton coke plant explosion that killed ...

For Pennsylvania residents, Silk City is the perfect destination for those days when you want to feel like a tourist in your own state – when you crave an experience that’s both familiar and ...

A Monongahela business launched a fundraiser to benefit employees of the U.S. Steel Clairton Works after Monday’s explosion ...

Test your knowledge of the week’s events as reported in The Wall Street Journal.