A fire broke out on Monday night in a residential building in Ahuntsic-Cartierville.
Shortly after 9 p.m., a 911 call was placed for a five-alarm fire in a triplex on Lajeunesse Street near Émile-Journault Avenue, police said.
The fire was controlled by firefighters and one person was treated for smoke-related injuries on site. There were no other reported injuries.
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The damages to the building are extensive, according to officials.
The case was transferred to Montreal police as the cause of the fire is still unknown.
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