SASKATOON -- A Tuesday morning fire in the 2100 Block of Coy Avenue is under investigation, the Saskatoon Fire Department says.

Fire crews arrived to find the rear of a bungalow fully aflame, according to a news release.

The rear peak of the roof then collapsed and firefighters put it out from a safe distance.

The fire investigator determind that the fire started at the rear of the structure causing $150,000 damage and is considered suspicious.