Imphal, June 30: The lifeless body of NSCN-IM Chairman Isak Chishi Shu was brought at Camp Hebron , Dimapur today. Already large number of people from Nagaland and Manipur have rushed Dimapur to pay tribute the leader. A mass mourning was observed at various places including Ukhrul, Chandel, and Senapati district. A public mourning service will be observed tomorrow at Hebron.