India, Oct. 22 -- A senior cadre of the banned United Liberation Front of Asom-Independent (ULFA-I) believed to be involved in last week's attack on an army camp in Assam's Kakopathar, was killed in an encounter with security forces in Namsai district of Arunachal Pradesh in the early hours of Wednesday, officials said.

The Indian Army and Assam Rifles launched a joint operation in the MS-6 area of Namsai on the intervening night of October 21 and 22. Security forces established contact with a group of militants during the operation, a statement issued by the Ministry of Defence PRO Lt Col Amit Shukla said.

A search at first light led to the recovery of the body of self-styled Sergeant Major Iwon Axom, a ULFA (I) cadre and resident of K...