Imphal, March 26 2009: The Zeli-angrong Studnts; Union, Barak Valley has strongly condemned the recent incident of killing four persons belonging to Zeliangrong community and injuring three others by militants of DHD (J) in NC Hills district of Assam, reports our Jiribam correspondent. The Union has appealed not to communalise on the issue and urged the district administration of NC Hills to beef up security measures so as to ensure peaceful atmosphere.