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

An explosion occurred Monday at a steel factory in Clairton, Pennsylvania, authorities said. A spokesperson for Allegheny ...

The U.S. Steel Clairton Coke Works plant outside of Pittsburgh was the sight of multiple explosions Monday, leaving one person dead, at least 10 injured and one missing, according to officials.

Officials across the state of Pennsylvania are reacting following the deadly explosions at the U.S. Steel Clairton Coke Works ...

Rescuers found one of the two people who were missing after an explosion at the US Steel Clairton Coke Works plant.

An explosion at a U.S. Steel coking plant near Pittsburgh has left people trapped under the rubble. Here's what we know.

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