MINNEAPOLIS (WCCO) — A duplex fire on the 600 block of Charles Avenue in St. Paul appears to have started at a nearby chicken coop, according to authorities.

Fire officials were called to the fire around 9:40 a.m. Sunday, just in time to keep the fire from spreading.

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Authorities say the fire started in the coop, which was attached to one of the bedroom windows.

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All residents in the home were able to get out safely. One resident was treated on scene for minor smoke inhalation.

The cause of the fire is still under investigation.

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Because fire crews were able to get to the fire early, the house is still inhabitable, so residents were allowed to return inside.