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

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

Two workers died after an explosion at the U.S. Steel Clairton plant near Pittsburgh, Pennsylvania. At least 10 other people ...

The fatal explosion last week at U.S. Steel's Pittsburgh-area coal-processing plant has revived debate about its future just ...

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

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

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

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

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

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