The CID arrested an individual in connection with the deaths of former MP Amarakeerthi Athukorala and a Police Sergeant assigned to his security detail in Nittambuwa on 9 May.
Meanwhile, the CID is conducting further investigations to arrest the suspects in connection with the violence and riots that took place islandwide on 9 May.
The arrested suspect is a 26-year-old Senior Sales Executive of a private company residing in Ellakanda, Katulanda.
Thirty-one suspects have been arrested and remanded in connection with the incident to date.
BY Aloka Kasturiarachchi