Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

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

Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...

A major rescue mission was underway at the US Steel Clairton Coke Works plant near Pittsburgh, Pennsylvania, which exploded ...

Crews are working to restore operations after the deaths of two employees.

A U.S. Steel executive said Tuesday there were no indications of safety concerns leading up to the explosion a day earlier at ...

There are no confirmed fatalities at the Clairton Coke Works, said Abigail Gardner, director of communications for Allegheny ...

The Clairton Coke Works plant near Pittsburgh, the biggest facility of its kind in the US, has been the site of multiple ...

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