The Pennsylvania county where an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others announced Thursday that it is stepping up ...

Two workers were killed and nearly a dozen were injured while they were preparing for a maintenance project at the Clairton facility.

Timothy Quinn, 39, of East Huntingdon Township, also died in the incident. Ten other people were injured. Three of them are ...

The Clairton Coke Works, where an explosion killed two workers and injured 10, has a history of maintenance issues, ...

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

A worker who lived through the explosion and rescue efforts at the U.S. Steel plant in Clairton, near Pittsburgh, tells his story.

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

The office of the Allegheny County medical examiner identified a second man who was killed in an explosion at the Clairton ...