Allegheny County Emergency Services said a fire at the plant in Clairton started late Monday morning. Officials said they had not isolated the cause of the blast.

Authorities said their investigation has shifted to the cause of the explosion after they accounted for everyone who was missing.

An investigation is underway to determine what caused a massive blast at the U.S. Steel plant in Clairton, Pennsylvania, that ...

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

Two people are dead and dozens of others were injured after an explosion at the U.S. Steel Clairton Coke Works plant in Clairton, Pennsylvania, officials said.

CLAIRTON, Pa. (TNND) — An investigation is ongoing after two people were killed and 10 were injured in an explosion at a U.S.

Five of the injured were treated at AHN Jefferson Hospital and later discharged, while others remain hospitalized. Two medics ...

PITTSBURGH, Pa. (Gray News) - One of the two people who died after an explosion at the U.S. Steel Clairton plant has been ...

Two people have been confirmed dead and at least ten others injured after an explosion ripped through a US Steel plant in ...