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 ...

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

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

Steelworkers at US Steel’s Clairton Coke Works have come forward to expose the long-standing and deadly safety hazards that ...

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

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

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

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

The health department began deploying mobile air units Thursday provided by Pennsylvania’s Department of Environmental ...

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

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 ...