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

An explosion at a U.S. Steel plant south of Pittsburgh has killed two people and injured 10 others. One worker was rescued ...

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

Two steelworkers are dead after an explosion at the U.S. Steel Clairton Coke Works plant. The blast happened on Monday just ...

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

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

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

Two people were killed and at least 10 others were injured after multiple explosions occurred at the U.S. Clairton Coke plant ...

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

U.S. Steel says its multi-billion-dollar Nippon Steel deal remains on track despite the Aug. 11 explosion at the Clairton ...

The second victim of the deadly explosion at the U.S. Steel Clairton Coke Works was a “mama’s boy” and devoted father of ...

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