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

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

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

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

A day after a deadly explosion rocked the Clairton Coke Works facility, Allegheny County officials confirmed that two men ...

U.S. Steel says it believes a gas valve failure led to the explosion Monday morning at its Clairton Coke Works, in which two ...

Here are the latest details on the fatal explosion at U.S. Steel’s Clairton Coke Works. Gov. Shapiro headed to town Gov. Josh ...

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

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

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

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

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