A seven year old girl and another person were assaulted to death in Deraniyagala last night (6), police said.
The police added that a manhunt is underway to locate the suspect involved in the crime.
The mother of the deceased girl has also sustained life-threatening injuries following the assault. She has been admitted to the Colombo National hospital for treatments.
The police believe a personal dispute between two groups of people may have caused the incident.
The deceased have been identified as residents of Magala area and their remains are deposited at the Avissawella hospital pending postmortem.