Tuilaepa Sailele Malielegaoi made the comment during a press conference with the media at the HRPP headquarters.
The call follows the arrest of the assistant Electoral Commissioner Afualo Darryl Mapu after a drug raid at his house.
Four illegal pistols, including a revolver, two rifles, $2,900 tālā cash, methamphetamine and several laptops were confiscated during the raid.