A person was seriously injured after being attacked with a knife by two unidentified men in Janakpur sub-metropolitan city on Tuesday. The injured has been identified as 26-year-old  Munjai Raut. Raut was attacked by two motorcycle borne men while he was returning home on Tuesday. He sustained an injury on his shoulder in the attack. He is undergoing treatment at Janakpur zonal hospital. Police are meanwhile, looking for the attackers.