A father and son are recovering in hospital after a house fire in the southeast neighbourhood of Sundance.

Fire crews were called to the 500 block of Sunmills Drive S.E. around 8:30 a.m. MT Saturday. 

When they arrived, the roof of the family home was fully engulfed in flames.

Officials believe the fire started outside and the family didn't have time to react.

The father was treated for smoke inhalation. The child, who is asthmatic, was taken to hospital as a precaution.