The explosion, followed by several smaller blasts, could be felt in the nearby community and prompted county officials to ...

The Clairton Coke Works has seen accidents and emission violations. Will new owner Nippon Steel invest in one of the few ...

• At least one person is dead, 10 injured and one unaccounted for in an explosion at the Clairton Coke Works in Pittsburgh, ...

U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...

Two people are dead and 10 others injured after an explosion at U.S. Steel’s Clairton Coke Works near Pittsburgh. The ...

The mill, which is part of the recent merger between U.S. Steel and Nippon Steel, has faced scrutiny from federal and local ...

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

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

The blast killed at least one person and injured at least 10 others. Nearby residents were advised to stay inside over air quality concerns.

One worker was pulled from the wreckage hours after the explosion sent black smoke spiraling into the midday sky in the Mon ...