Pennsylvania Gov. Josh Shapiro spoke with officials and provided an update on the U.S. Steel Clairton Coke Works explosion in Allegheny County. Gov. Josh Shapiro, Allegheny County Executive Sara Innamorato,

Officials have urged the press and community not to speculate about the cause of a deadly explosion at a U. S.

A deadly explosion rocked the U.S. Steel Clairton Coke Works plant late Tuesday morning, leaving one worker dead, one still unaccounted for, and multiple others injured. The blast was reported at 10:51 a.