Several people had to jump from apartment windows to escape a fire in Hartford on Sunday morning.
Fire crews responded to a 2nd alarm fire at Gillett Street at around 7:30 a.m.
The fire has since been placed under control.
"The fire was basically contained to one apartment, but the amount of searching that had to be done in checking every apartment, we needed the extra man power," said Hartford Deputy Fire Chief Michael Dempsey.
Firefighters said there was heavy smoke damage in the three of the floors of the building.
They said some residents jumped from the second floor.
Three people were transported to the hospital, including one child.
The extent of their injuries is unknown at this time.
The building does have working smoke alarms.
Juan Velez and his girlfriend and her son had to escape their third floor apartment.
"I was running down the stairs real scared because you couldn't see anything. The smoke was so black, you couldn't see where you were going," Velez said.
The city's fire marshal is investigating what caused the fire.
Fire officials said the fire is a reminder about the importance of having renter's insurance.
The American Red Cross is helping six families who were affected by the fire, which includes nine adults and three children.
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