The parents of a six-month-old boy have been arrested on suspicion of his death on February 18.
The baby, who has not been named, died in a home at Fangaloto on February 2 before he was taken to the hospital, police said.
A 28-year-old woman and a 32-year-old man were arrested and taken to the Nuku’alofa police station.
The couple who have also not been named faced charges including manslaughter by negligence after police found they did not seek medical assistance for their son while he was sick on January 30.
The baby suffered from diarrhea and was vomiting police said.
The doctors attributed his death to malnutrition and dehydration.
His parents will appear at the Nuku’alofa Magistrate Court on February 24.