One person has died, one person is unaccounted for and at least 10 are injured following an explosion at a U.S. Steel plant ...

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

At least one person has died, and one person remains unaccounted for, while at least 10 people have been injured following ...

Video shows a huge plume of black smoke above the U.S. Steel Clairton plant after deadly explosions on Monday.

Two people were killed and 10 others were injured in an explosion at the U.S. Steel Clairton Coke Works plant on Monday.

Multiple explosions on Monday at a U.S. Steel plant near Pittsburgh killed two people and injured 10 others, according to the ...

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

One worker died, one person is missing and 10 were injured after an explosion at the U.S. Steel Clairton Coke Works' two ...

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