Police and fire investigators were still at the scene of the fire in West Cross, Swansea on Sunday
A father has died in hospital following a house fire in which his son was killed on Saturday.
South Wales Police named the victims as Naemat Lawa Esmael, 51, and his three-year-old son Muhammed Esmael.
Emergency services were sent to an address on Gonhill in West Cross, Swansea, at about 13:30 BST on Saturday.
The Welsh Ambulance Service said three people were taken to the city’s Morriston Hospital.
Another child and a woman suffered smoke inhalation.
The force said an investigation was being carried out to establish the exact circumstances of the fire, which was contained to one house.
A tribute with flowers and teddy bears could be seen near the burnt out home
Det Insp Carl Price said: “Our thoughts remain with the family, friends and the local community following this tragic incident.
“We are working alongside the fire service to establish the cause of the fire.”
