A fierce gun battle between suspected rebels and troops of 2/5 GR was reported today at Khoupum area in Tamenglong district at around 6.30 am. Unconfirmed source said that at least a militant suspected to be cadre of NNC is reported killed in the encounter. According to the source some of the cadre fled the area. Following the incident additional troops has been reinforced and massive hunt is being carried out at the site. There are no reports of any casualty to the site of the security force.