Srinagar, Aug 7 (IANS): Pakistani troops opened unprovoked firing at Indian positions on the Line of Control (LOC) in Jammu and Kashmir's Baramulla district, a defence spokesman said Wednesday.

Naresh Vij, spokesman of army's Srinagar-based 15 corps, told IANS that the Baz battalion of Pakistan Army opened unprovoked firing at Indian pickets in Uri sector of the LOC Tuesday.

"Our troops responded with controlled retaliation to unprovoked Pakistan fire from their Baz battalion in Uri sector of the LOC yesterday. The exchange of fire continued from 12.30 p.m. to 2 p.m. yesterday (Tuesday)," the spokesman said.

A non-commissioned officer and four soldiers of 21 Bihar regiment were killed by terrorists, some of whom were wearing Pakistan Army uniforms, in Chakan Da Bagh sector of the LOC in Poonch district Tuesday.

Army chief General Bikram Singh is visiting the LOC in Poonch district Wednesday to take stock of the situation.