Three persons have been arrested in Bihar's Saran district in connection with the murder of Sub-Inspector Rana Raviranjan Singh, the police said. Singh was found murdered near Dumri Juara halt under the Avatar Nagar police station on Wednesday morning. Munishwar Prasad Singh, the Sub-Divisional Police Officer (SDPO) Sadar, said, "During the investigation, all the three accused claimed they were being exploited for unnatural sexual acts by Rana Raviranjan Singh. Hence they decided to kill him." "There were four persons involved in the crime and one of them managed to flee from the spot during the raid," he added. (IANS)