Sioux Falls Fire Rescue responded to a fire at 2904 W 33rd Street in Sioux Falls Tuesday afternoon.
When first-responding crews arrived around 1:15, they found heavy smoke coming from the garage area with light smoke coming from the first, second, and third floors of the apartment complex.
Fire crews entered the garage and found a vehicle on fire with a sprinkler head activation. The sprinkler system kept the fire under control and firefighters were quickly able to extinguish the fire.
Crews found high levels of carbon monoxide on all three levels of the apartment complex.
Two residents were found on the third floor unable to evacuate. Firefighters moved fresh air to the third floor with high powered fans and protected the residents in place until on-scene fire personnel could remove all smoke and dangerous gases from the structure.
The cause of the fire is under investigation.
Sioux Falls Fire Rescue responded with 4 fire trucks, 2 support vehicles, and 18 firefighters. Fire Rescue crews were assisted on scene by Red Cross, Sioux Falls P.D., Rural Metro Ambulance, and the Sioux Falls Water Department.
The apartment building did have a working sprinkler system, fire alarm system, and smoke detectors.