One unknown armed poacher caused a bullet injury to one Md Riyas Khan, 38,  (L) Md Nahayai from Mayang Imphal Bengoon Makha Around 2 pm on Thursday while poaching at Mayang Imphal Bengoon Toujengpat near Loktak Lake under Mayang Imphal Police station. The injured has been shifted to Raj Medicity, North AOC, Imphal for medical treatment, as per sources.