Jammu: Indian and Pakistani border guards exchanged heavy fire Friday evening on the international border in Jammu and Kashmir's Samba district, police said.

"Pakistan Rangers started unprovoked firing at four BSF (Border Security Force) outposts on the international border in Ramgarh sector of Samba district around 9.30 p.m. after which BSF retaliated effectively at all these places," a senior police official here told IANS.