AURORA, Colo. (KDVR) — Aurora Fire Rescue is investigating a deadly apartment fire that happened early Monday morning.

The fire started around 2 a.m. at Bella Terra at City Center Apartment Homes at 15400 E. Evans Ave.

AFR said multiple people were rescued during the fire that burned through 12 units. Three people were taken to the hospital in unknown conditions. One of the victims, a child, was pronounced dead at the hospital, AFR said.

The Colorado Red Cross and Xcel Energy responded to the scene to assist following the fire.

AFR said 31 residents (18 adults and eight children) were displaced by the fire.

The cause of the fire is under investigation.