Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

An explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others. The CEO has vowed ...

The explosion took place at the US Steel Clairton Coke Works plant, located south of Pittsburgh, Pennsylvania.

The Clairton Coke Works is considered the largest coking operation in North America and one of four major U.S. Steel plants ...

The blast at U.S. Steel Clairton Coke Works, located in the Monongahela Valley near Pittsburgh, injured at least 10 others.

At least one person was killed and ten were hospitalized after an explosion at a U.S. Steel plant in Clairton, Pa.

Two workers were killed and 10 were injured after an explosion Monday at the U.S. Steel Clairton Coke Works plant in ...

Authorities confirmed a second fatality after an explosion at the U.S. Steel Clairton Coke Works facility outside of Pittsburgh.

One person has died and two are believed to be missing in the explosion at a U.S. Steel plant, Allegheny County emergency services spokesperson Kasey Reigner said. Multiple other people were treated ...

Multiple people have been injured in Pennsylvania, and several medical helicopters have been dispatched to the area.

An explosion rocked a steel plant outside Pittsburgh on Monday, leaving two dead and 10 others injured, including a person ...