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

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

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

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

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

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

The second person killed in Monday’s deadly explosion at the U.S. Steel Clairton Coke Works has been identified.

The exact locations and times for the units’ deployment will be based on real-time forecasts developed by ACHD and PADEP ...

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

Organizations like the Breathe Project and the Group Against Smog and Pollution, in conjunction with the Allegheny County Health Department, have been closely monitoring the air quality in Clairton ...

The tragedy has rocked the Mon Valley, and its congresswoman wants answers. Democratic Congresswoman Summer Lee is ...

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