After an explosion rocked a steel plant outside Pittsburgh, workers scrambled into the wreckage alongside firefighters directing streams of water. By the time the scene was secure, two people

Two people have died and 10 are injured following an explosion at a Pennsylvania steel plant on Monday, Allegheny County police said.

One person has died, one person is unaccounted for and at least 10 are injured following an explosion at a U.S. Steel plant near Pittsburgh, Allegheny County Police Assistant Superintendent Victor Joseph said at a press conference Monday afternoon.