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

Clairton, Pennsylvania was rocked Tuesday by an explosion at the U.S. Steel Clairton Coke Works. Clairton Mayor Richard ...

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 ...

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

The Clairton Coke Works, where an explosion killed two workers and injured 10, has a history of maintenance issues, ...

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

Officials across the state of Pennsylvania are reacting following the deadly explosions at the U.S. Steel Clairton Coke Works ...

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

An explosion at US Steels Clairton Coke Works in Allegheny County, Pennsylvania, injured several people but caused no ...

Regulators are temporarily stepping up pollution monitoring in the Mon Valley after a deadly explosion at U.S. Steel’s ...