Officials confirmed a second fatality in the steel plant explosion on the outskirts of Pitsburgh on Monday that sent 10 people to the hospital.

Allegheny County Emergency Services and the Allegheny County Police Department responded to the blasts at the U.S. Steel Clairton Coke Works plant in Clairton and confirmed the first fatality that afternoon in a social media statement. A large initial explosion was followed by secondary ones, officials said.

In a separate social media post Monday evening, Allegheny County Emergency Services said the second fatality was a person who had previously been considered missing.

"Officials can confirm there has been a second fatality in connection with this incident," the agency said. "This was the last of the two individuals that was initially unaccounted for."

More...