Rajbiraj, December 17 An unidentified group killed a guard of the office at Ward No 1 of Tilathi Koiladi Rural Municipality’s  in Saptari last night. The deceased has been identified as Parshuram Mishra, 27, of the rural municipality. The unknown group used a sharp weapon to kill the man. According to District Police Office, Saptari, the group under the influence of marijuana killed the on duty worker with an axe at midnight. A critically injured Mishra was admitted in Gajendra Narayan Singh Sagarmatha Zonal Hospital for treatment the same night. But he was referred to a Biratnagar-based health facility after treatment was not possible in Sagarmatha Zonal Hospital, said police. Police said that Mishra died on the way to Biratnagar. Meanwhile, irate locals obstructed the Rajbiraj-Kunauli Road section since early this morning after the incident. The locals demanded that the police administration arrest the culprits involved in the case. DSP in DPO Bhabesh Rimal said that police had identified the culprits and were searching for them.