A mother and her 16 year old son were assaulted in their house while they were sleeping in Monaragala yesterday, the police media unit said today.
The police said that an unidentified person had entered the house and assaulted both of them using a pole.
According to the police media unit, the mother and son sustained serious injuries in the incident and were admitted to hospital.
The 16 year old boy subsequently succumbed to his injuries in hospital while the mother is still receiving treatment.
The motive for the attack is still not known. The Monaragala police are conducting investigations.