It was not possible on Saturday night to obtain further details as to whether the victim was still alive when taken care of by the emergency services.
The fire was declared around 8:15 to 289, rank Saint-Jacques. A woman in her fifties was evacuated quickly. She was not injured, but she suffered a nervous shock.
Around 11am, after controlling the fire, the firemen of Pont-Rouge and Neuville were able to enter the house where they found another person, who was then unconscious.
An investigation is under way to determine the cause of the fire.