Jammu, Aug 11 (ANI): In yet another violation of ceasefire by Pakistan, its troops resorted to unprovoked firing at several Indian positions on the international border in Jammu district in the wee hours of Monday. According to Police sources, two Border Security Force (BSF) troopers - Head Constable Sunil Kumar and Constable Bishnoi, along with two civilians- were injured when the Pakistani army resorted to unprovoked firing at four places in the RS Pura area of the international border early this morning. The BSF retaliated the Pakistan firing effectively.