In a major breakthrough, Indian Army along with Assam Rifles and Assam police force apprehended the self styled major Annak Wangsu (Area Commander) of the militant faction NSCN(IM) on July 14, 2019 who was allegedly involved in killing of the then National People's Party (NPP) MLA Tirong Aboh of Khonsa West and 10 others on May 21, 2019