ITANAGAR, Dec 24 - In a crackdown on extortion activities by underground groups in south Arunachal Pradesh, security forces have apprehended four ultras of NSCN groups since Wednesday, Defece sources said.
In operations launched by Assam Rifles (AR), three cadres of a NSCN group were apprehended on Wednesday, while one of another group was arrested on December 17, the spokesman added. � PTI
