A 38-year-old son was arrested after he allegedly murdered his parents at his home in Thalgaspitiya, Hemmathagama, police said.
The suspect who is said to be a drug addict was arrested earlier today (26), police added.
Remains of the deceased parents, ages 76 and 72, are kept at the Hemmathagama Base hospital pending post-mortem, according to police.
The crime was witnessed by the elder brother of the suspect who had alerted the police. The 38-year-old son will be produced before the Mawanella Magistrate today.