An explosion Monday at a U.S. Steel plant near Pittsburgh has left people trapped under the rubble, with emergency workers on ...

The preliminary findings say how the company believes the explosion occurred. A union statement cautioned the investigation is in its early stages.

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

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

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

Multiple explosions Monday at a U.S. Steel coke-making plant near Pittsburgh left two people dead and at least 10 injured, ...

An explosion rocked the U.S. Steel Clairton Coke Works facility near Pittsburgh Monday, leaving people trapped beneath the ...

Explosions at Clairton Coke Works, a U.S. Steel plant near Pittsburgh, left one dead, two missing and at least seven others ...

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

An explosion at a U.S. Steel plant near Pittsburgh left one dead and dozens injured or trapped under the rubble Monday, with ...

Ten people were hospitalized after the blast at a coke plant in Clairton, Pa., near Pittsburgh. One person who had been ...

Gov. Josh Shapiro said state officials were responding to Clairton Coke Works in Clairton, Pa., roughly 15 miles southeast of ...