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

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

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

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

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

When horrific situations strike in the Pittsburgh area, such like the U.S. Steel Clairton coke plant explosion that killed ...

The potential pollution impact was mitigated because the weather cooperated, the Allegheny County Health Department said.

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

The Pennsylvania county where an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than ...

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

The Allegheny County Health Department announced that Mobile Air Units will be deployed in the Mon Valley as part of an ongoing investigation.

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