WILMINGTON, Del. (WPVI) -- Three construction workers were injured Friday after a partial building collapse in Wilmington, Delaware.
It happened at a building that is under construction at 4th and Orange streets.
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Fire officials say part of the second floor collapsed as workers were pouring concrete.
Investigators say two workers got out on their own.
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Firefighters rescued a third worker from inside the building.
They were all taken to the hospital with non-life-threatening injuries.