BUTWAL – Police on Tuesday have arrested three persons from Devdaha area on suspicion of their involvement in the murder of Rupandehi Chairman of Youth Association of Nepal, Durga Tiwari.Deputy Superintendent of Police at the Area Police Office, Butwal, Mukunda Marasini, said that police have been carrying out an investigation into the case. Similarly, Police also found an unattended motorcycle (Ba 51 Pa 8073) from Kanchi Bazaar that was allegedly used by murderers in the incident.The murderers fleed leaving the motorcycle after seeing a police patrol team at the main highway, according to the preliminary investigation of police. Marasini said, “We have been carrying out an investigation into the incident seriously. Guilty will be booked soon.”Meanwhile, youths and students close to CPN (UML) demonstrated in Rupandehi against the murder of Tiwari. Normal life in districts in Lumbini zone was hit hard due to protest programme.