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

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

A deadly explosion at an industrial plant outside Pittsburgh on Monday morning left two people dead and many others injured. As investigators work to determine what caused the explosion, questions are ...

An explosion at a U.S. Steel plant near Pittsburgh left two dead and sent at least 10 to hospitals Monday and heavily damaged ...

U.S. Steel officials have released new details about the moments leading up to an explosion at the Clairton plant that killed ...