Police have arrested two suspects in connection with the murder in Mulleriyawa.
The two women who were arrested are 18 and 55 and are residents of Borella and Mulleriyawa areas.
The suspects were arrested following a tip off received by the Western Province Southern Crimes Division.
The suspects were arrested while hiding in a house in the Bandagiriya area in Hambantota.
Another five suspects have so far been arrested in connection with the murder.
The murder was carried out by two persons who had entered a house in the Meegahawatta area in Mulleriyawa on October 26.
Two men who came on a motorcycle with their faces covered had barged into the house and opened fire.
There were two people in the room at the time and one person was killed in the shooting.
The Western Province Southern District Crimes Division is conducting further investigations.