The Pennsylvania county where an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others ...

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

The health department began deploying mobile air units Thursday provided by Pennsylvania’s Department of Environmental ...

A worker who lived through the explosion and rescue efforts at the U.S. Steel plant in Clairton, near Pittsburgh, tells his story.

Regulators are temporarily stepping up pollution monitoring in the Mon Valley after a deadly explosion at U.S. Steel’s ...

Gwaley called DeHosse, who owns Sparkles by Shell, a Monongahela-based screen print and embroidery business. They are now ...

Ten others were injured, and people who live near the plant were urged to stay inside. Three explosions at U.S. Steel’s ...

The U.S. Steel plant in Clairton, Pa., where an explosion killed two workers and injured 10 on Monday, has a history of ...

Two workers died and at least 10 people were injured after multiple explosions at the U.S. Steel Clairton plant.