Emergency services found a fourth victim in a house in the rue de la Prévoyance in Mons, which was damaged by a fire on Saturday afternoon.
A house fire in the rue de la Prévoyance, which started on Saturday afternoon, injured four people. Emergency services found the bodies of three people, a grandfather and two of his grandchildren. A third child was found in the debris during the afternoon.
The house fire, which started on early Saturday afternoon, was dealt with by a huge emergency services team.
The cause of the fire is thought to be accidental.