Police Thursday were investigating the killings of two adults and their children who were found dead at their home in Andravida, a village in the region of Ilia, southern Greece, on Wednesday night.
The only survivor of the massacre is the eldest son from a previous marriage, aged 11, who was away from home at the time.
According to local media, he is said to have found the bodies of the 32-year-old father, the 37-year-old mother and their two children, aged 3 and 2. The bodies of the parents were found in a trailer in an outbuilding, and their wounds appear to have been caused by gunshots.
The 3-year-old child was found on bed linen on the floor of the outbuilding, next to the trailer, while the 2-year-old was found inside the house.
According to local newspaper Peloponnissos, the police were examining the possibility that the quadruple homicide was committed by an outside perpetrator.
Authorities are also looking for the woman’s former husband.