CLAIRTON, Pa. (AP) — Investigators are working to determine the cause of an explosion that rocked a steel plant outside ...

United States Steel Corp. and its parent company, Nippon Steel Corp. are committed to keeping the Clairton Coke Works ...

Multiple people have been injured in Pennsylvania, and several medical helicopters have been dispatched to the area.

Two people were killed and 10 others were injured in an explosion at the U.S. Steel Clairton Coke Works plant on Monday.

An explosion at a U.S. Steel plant near Pittsburgh on Monday left two people dead and at least 10 others injured, Allegheny ...

One person has died and dozens are reportedly injured or trapped under rubble following an explosion at a U.S. Steel plant ...

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

Allegheny County officials say two people are dead and ten others are injured, including two medics. WGAL News 8's Sarah ...

An explosion at US Steel's Clairton Coke Works in Allegheny County, PA, left several injured. The plant sits along the ...

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

Richard Tikey stood by anxiously until every last one of his colleagues was accounted for after a deadly blast Monday morning ...