PESHAWAR: Police are investigating to find if the three brothers killed in Nasir Bagh area were targeted by the extortionists or they had some dispute. Some reports said the killers were extortionists who have fled after the murder of three brothers, who were Afghan nationals, a few days ago. An official, however, said the accused are the relatives of the deceased and they had some dispute. He said police are conducting raids to arrest the culprits.