He is 52-year-old Steven Menefee of Tarrs in Westmoreland County. Authorities have confirmed the identity of the second man killed in Monday’s deadly explosion at U.S. Steel’s Clairton Coke Works, as ...

Regulators are temporarily stepping up pollution monitoring in the Mon Valley after a deadly explosion at U.S. Steel’s Clairton Coke Works on Monday sparked worry about the release of toxic gases.