The Allegheny County Health Department issued an update on air quality near the U.S. Steel Clairton Coke Works following ...

The Allegheny County Health Department announced that Mobile Air Units will be deployed in the Mon Valley Thursday and Friday ...

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

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

The deadly blast at the U.S. Steel facility outside Pittsburgh was just the latest in a series of recent workplace accidents.

In the last five years, U.S. Steel has paid more than $10 million in penalties for violations of the Clean Air Act at ...

A second Westmoreland County man was identified as the other victim who was killed Monday in an explosion at U.S. Steel’s ...

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

Pennsylvania Gov. Josh Shapiro is expected to speak with officials and provide an update after the U.S. Steel Clairton Coke ...

Explosions late Monday morning at Clairton Coke Works in Allegheny County killed one person and injured 10 others, as ...

Rescuers were continuing to search for one missing worker at the Clairton Coke Works more than five hours after mid-morning ...

The CEO of U.S. Steel pledged a transparent investigation into the Clairton Coke Works explosion that killed two and injured ...