Police and army launched a joint search operation in Bhat Mohalla in Sopore town this morning following information about the presence of a militant there, a police spokesman said.
The house, in which the militant was hiding, was cordoned off and the ultra asked to surrender. However, the militant opened fire on the security forces and was killed in retaliatory action, the spokesman said.
The slain ultra has been identified as Mohammad Shafi Sheikh alias Shafi Peer of Hizbul Mujahideen.
Search operations were in progress when reports last came in.