The potential pollution impact was mitigated because the weather cooperated, the Allegheny County Health Department said.

(The Center Square) – Officials have urged the press and community not to speculate about the cause of a deadly explosion at a U.S. Steel plant in Clairton, near Pittsburgh, on Monday. Gov. Josh ...

The incident was at the U.S. Steel Clairton Coke Works plant in Clairton. One victim has been identified as Timothy Quinn, a ...

An explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured 10 others. The CEO has vowed to find out ...