HARRISBURG, Pa. (AP) — The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate ...

A devoted dad has been identified as one of the two steel workers killed from an explosion at a Pennsylvania steel plant on ...

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

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

The Clairton Coke Works is considered the largest coking operation in North America and one of four major U.S. Steel plants ...

Two workers died and at least 10 people were injured after multiple explosions at the U.S. Steel Clairton plant.

After an explosion rocked a steel plant outside Pittsburgh, workers scrambled into the wreckage alongside firefighters ...

The company defended its safety record as Investigators worked to determine the cause of the blast.

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

Authorities said their investigation has shifted to the cause of the explosion after they accounted for everyone who was missing.

An explosion rocked a steel plant outside Pittsburgh on Monday, leaving two dead and 10 others injured, including a person ...