Six people were forced from their Altadore home on Sunday evening after a fire started.
Emergency crews were called to the 1900 block of 43 Avenue S.W. at around 5 p.m.
When they arrived, firefighters found heavy brown smoke pouring from a bungalow.
The residents inside the home, two adults and four children, were able to get out safely before crews arrived.
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Firefighters were able to extinguish the flames, which had eaten away at the side, roof and attic of the home.
The Calgary Fire Department said a bystander was treated by EMS but not transported to hospital.
The cause of the fire is under investigation.
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