An 11-year-old boy and two of his grandparents died in a fire at their home in Arahal, Sevilla, at around 07:15 this morning.
Another person, 18 years old, is in a serious condition in hospital as a result of inhaling fumes from the blaze.
The fire occurred at 07:15 at a home in calle Tetuán in the town of Arahal, Sevilla province.