Police have found the dead bodies of a father and a daughter in a house in Heenatiyangala, Kalutara South last night.
Sixty-nine-year-old father was found dead in a chair in the house and daughter was found in the living room, police said.
The mother of the deceased daughter had informed the police about the death.
Police suspect the deaths may have been natural. A senior police official said that the cause of death would be ascertained after the post-mortem examination as they were suffering from various diseases and illnesses.