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

An explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured 10 others on Monday morning.

• There has been an explosion at the Clairton Coke Works Steel Plant in Pittsburgh, Pennsylvania. • Dozens are hurt – and ...

“It is with profound sadness that I share with you that the U. S. Steel colleague who had been unaccounted for has been ...

Two people have died and 10 are injured following an explosion at a Pennsylvania steel plant on Monday, Allegheny County ...

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

Authorities said one fatality has been confirmed in an explosion at the U.S. Steel Clairton Coke Works facility outside of ...

An explosion Monday at a U.S. Steel plant near Pittsburgh has left dozens wounded and people trapped under the rubble, with ...

The U.S. Steel Clairton Coke Works plant outside of Pittsburgh was the sight of multiple explosions Monday, leaving one ...

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