Firefighters battled a multiple-alarm blaze in Lowell, Massachusetts, on Thursday morning.
The fire was reported shortly around 8:30 a.m. on 7th Street. Fire officials said heavy fire was showing from the 3-family house when they arrived.
A teenager was seen hanging out a window and was rescued by firefighters. The teen was taken to an area hospital, and his condition was not immediately known.
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It took about an hour to knock down the fire, officials said. Sixteen people were displaced as a result of the blaze.
The cause of the fire remains under investigation.