Timothy Quinn, 39, of East Huntingdon Township, also died in the incident. Ten other people were injured. Three of them are ...

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

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

A devoted dad has been identified as one of the two steel workers killed from an explosion at a Pennsylvania steel plant on ...

Allegheny County Executive Sara Innamorato joined ABC News Live with an update on the investigation of the explosion at a ...

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