The Lucan, Minn., homeowners reported the fire at 2:35 p.m. Wednesday. Two adults and several children escaped, but two children died in the fire, KMSP-TV, Minneapolis, reported.
One body was recovered Wednesday night, and another was recovered Thursday afternoon.
A firefighter was transported to a hospital in Mankato after he slipped on ice and was hit by a tanker truck.
The cause of the fire was under investigation.