CLAIRTON, Pa. --
Emergency officials said an explosion and a fire were reported at
U.S. Steel's Clairton Coke Works
late Thursday morning, and two people were injured.
Sky 4 flew over a part of the Clairton Coke Works where flames were seen coming through the roof of one building.
Flames could be seen coming through the roof of one building at the plant along State Street in Clairton. It's not clear what operations take place inside that building.
Firefighters are tackling the flames inside the building. No external fire attack could be seen at the plant.
The injured people have been taken away by ambulance, according to 911. Their names and conditions are not yet known.
Plant security has told Channel 4 Action News to move its truck off the property and is not giving any information about what happened.
A spokeswoman for U.S. Steel said she was working on a statement with details about Thursday's incident.
The Clairton Works is the largest coke production facility in North America and employs about 1,500 people, according to the company's Web site.
Reporter Bob Mayo is following this story at the Clairton Works. Stay with us for updates and watch his full report tonight on WTAE Channel 4 Action News at 5 p.m.
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