"Pakistan Rangers resorted to unprovoked firing at BSF (Border Security Force) outposts in Pargwal and Kana Chak areas of Jammu district today (Saturday) morning," a police officer told IANS.
"They used automatic weapons and heavy machine guns. We retaliated effectively using same calibre weapons," he added.
The exchanges are under way in the area.
Before the firing exchanges began, BSF personnel defused a bomb on the Indian side in Pallanwalla area of Akhnoor sector in the district.