CLAIRTON, Pa. — An explosion rocked a steel plant outside Pittsburgh on Monday, leaving two dead and 10 others injured, including a person who was rescued from the smoldering rubble after hours of being trapped.

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Officials are still working to determine the cause of an explosion that rocked a steel plant outside Pittsburgh, leaving two dead and 10 injured

The blast occurred Monday at the Clairton plant in the Mon Valley. Emergency services say a fire started late morning, and a rescue effort continued into the night

The plant is still partially operational. Allegheny Health Network treated seven patients, discharging five

The rumbling from the explosion, and several smaller blasts that followed, was felt through the community about 15 miles southeast of Pittsburgh

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