The explosion sent black smoke spiralling into the midday sky in the Monongahela Valley, a region of the state synonymous ...

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

Emergency crews responded to an explosion at the Clairton Coke Works, a U.S. Steel plant near Pittsburgh, Pennsylvania.

Explosions late Monday morning at Clairton Coke Works in Allegheny County killed two people and injured 10 others, as ...

"My team and I are tracking this explosion and waiting for more information. For those in the area, please listen to local officials and avoid the area," Pennsylvania Sen. John Fetterman said.

Officials are still working to determine the cause of an explosion that rocked a steel plant outside Pittsburgh, leaving two ...

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