Family members of Chike Chiba and Felix Omerije, two members of a local vigilante group in Oja community under Ohaji Egbema Local Government Area of Imo State have demanded their unconditional release from the Nigerian police custody, nearly one year after their unlawful arrest. SaharaReporters learnt that the vigilante group was formed to protect the residents of Oja community from the menace of kidnappers, armed robbers and rapists.