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

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

Ten people were hospitalized after the blast at a coke plant in Clairton, Pa., near Pittsburgh. One person who had been ...

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

An explosion at a U.S. Steel plant near Pittsburgh left one person dead and sent at least 10 to hospitals Monday and heavily ...

An explosion at US Steels Clairton Coke Works in Allegheny County, Pennsylvania, injured several people but caused no ...

An explosion at a U.S. Steel plant near Pittsburgh left two dead and sent at least 10 to hospitals Monday and heavily damaged ...

Multiple people have been injured in Pennsylvania, and several medical helicopters have been dispatched to the area.

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

Explosions at a U.S. Steel plant near Pittsburgh left one dead, two missing and at least nine others in hospitals Monday.

Two workers died and 10 were wounded Monday after several blasts occurred at a U.S. Steel plant in the state of Pennsylvania, ...

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