Firefighters battled another blaze in the northwest of the city on Tuesday afternoon.
They were called to a duplex at 77 NW Street in Bowness around 3:15 p.m.
Firefighters quickly attacked the fire, which was in the attic, as heavy smoke came out.
No one was found inside the house and all the occupants were counted. No injuries were reported.
An investigator is at the scene, trying to find out the causes of the fire.