Another suspect, on May 28, has been arrested in connection with the murder of Sri Lanka Podujana Peramuna Polonnaruwa District parliamentarian Amarakeerthi Athukorala in Nittambuwa on May 9, reports Colombo Page. Accordingly, the Police have arrested 17 suspects in connection with the shooting death of Polonnaruwa District Parliamentarian Amarakeerthi Athukorala’s personal security guard, Police sergeant, with his pistol and possession of the pistol, Police said.