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

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

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

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

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

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

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

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

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

An explosion at a U.S. Steel plant near Pittsburgh has left dozens injured or trapped under the rubble, with emergency ...

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

CLAIRTON, Pa. (AP) — Explosions at a U.S. Steel plant that shook the ground near Pittsburgh left one dead and sent at least ...