In the last five years, U.S. Steel has paid more than $10 million in penalties for violations of the Clean Air Act at Clairton.

Flushing of a gas valve made during maintenance preparation may have led to the deadly explosion at the U.S. Steel Clairton Coke plant.

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

Authorities on Thursday identified the second person who was killed in an explosion at U.S. Steel’s Clairton Coke Works Monday. Steven Menefee, 52, died at the steel plant Monday, authorities said. The explosion at Clairton Coke Works,

Family members tell Pittsburgh's Action News 4 Steven Menefee, a father of two, was a loving man who would give you the shirt off his back.