A gas valve failure during maintenance work may have led to the fatal explosion at the U.S. Steel Clairton plant in ...

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

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

University lobbying, Pennsylvania’s history with redistricting, a plea from New Yorkers and Taylor Swift’s big reveal. As ...

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

Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...

The deadly blast at the U.S. Steel facility outside Pittsburgh was just the latest in a series of recent workplace accidents.

The trial of a Houtzdale man who, it is alleged, played a part in making a bomb that exploded and killed a Clearfield woman ...