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.

Two people were killed, 10 were treated for injuries in a hospital and many others were treated on the scene for more minor injures. Five of the 10 hospitalized were in "critical but stable" condition ...

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

Ammon News - Multiple explosions on Monday at a U.S. Steel plant near Pittsburgh killed two people and injured 10 others, ...

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

Several people appear to have been injured at a mill in Western Pennsylvania. WPXI reported that emergency crews were sent to a reported explosion at the U.S. Steel Clairton Coke Works. The mill is ...