Gatineau firefighters tackled a blaze early Saturday morning that sent five to hospital.
Calls came in just before 2 a.m. for a vehicle fire on Palluck street in the Buckingham sector of Gatineau.
The fire started in a car, and spread to a nearby building where there were five occupants inside.
A 31-year-old man and 12-year old child were taken to hospital with 'minor to serious burns' but have since been released, according to the Gatineau Police.
A 28-year-old woman and two young children, a 20-month old child remain in hospital with life-threatening burns and carbon monoxide poisoning.
Police confirm a 3-month-old baby has since passed away.
The cause of the fire is under investigation.