Kottayam: Five police officers, including gunman of former chief minister Pinarayi Vijayan, who are accused in Nava Kerala assault case, were released on Saturday after issuing a notice stating that they must appear before investigation team again. Without recording the arrest and without conducting evidence collection, S Anilkumar, S Sandeep, V K Shaiju, R Arun and V V Vipin, who are the first to fifth accused in the case, were released. The notice given contained the instruction that they must appear at any time if investigation team demands. Although the question of whether there was any instruction from anyone’s part to get down from the vehicle and to carry out the assault at the scene was repeated on the third day too, the reply was not satisfactory. The move is to collect and examine details, including phone call details of the accused on the day of the incident.Gunman Anilkumar, who came out after questioning, said he appeared as per court’s instruction and that he had fully cooperated with the investigation.