The Pettah Police said he was nabbed in the Pettah area last night. He is a 21 year old youth. The suspect is currently being interrogated.
Meanwhile the Government Analyst is expected to visit the sealed house at Sandaresgama today to conduct tests. The Police last Wednesday recovered the bodies of a couple and their two children inside their house. It was suspected that a youth who was missing from the house had committed the murders. Investigations conducted on this direction have led to the arrest of the suspect.