Allegheny County Emergency Services said a fire at the plant in Clairton started late Monday morning. Officials said they had not isolated the cause of the blast.

An explosion at U.S. Steel's Clairton Coke Works near Pittsburgh killed 2 and injured 10+, prompting investigations and safety concerns.

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

A deadly explosion at an industrial plant outside Pittsburgh on Monday morning left two people dead and many others injured.

The Clairton Coke Works is considered the largest coking operation in North America and one of four major U.S. Steel plants ...

Two people died and at least 10 people were injured after the last missing individual was found dead following ...

Timothy Quinn, a 39-year-old father and second-generation steelworker, was among the two killed in the Monday explosion at a ...

After a fatal explosion at U.S. Steel’s Clairton Coke Works, Mon Valley residents remain cautious though Allegheny County ...

United States Steel Corp. and its parent company, Nippon Steel Corp. are committed to keeping the Clairton Coke Works ...