Three Pakistan Rangers personnel were killed on Saturday in retaliatory firing by Border Security Force (BSF) troopers on the International Border in Jammu district, an official said. The Pakistan Rangers exploded six mortar shells in Dewra village in Rajouri district's Sunderbani town, the BSF said. "Pakistan Rangers today (Saturday) exploded four 51 mm mortar shells and two 81 and 82 mm mortars in Dewra village. The BSF retaliated strongly during cross-border firing and shot dead at least three Pakistan Rangers," a BSF statement said. The Pakistan Rangers also started unprovoked cross-border firing in Pargwal area of Jammu region on Saturday afternoon, with the BSF engaged in a befitting retaliation, the statement said. On Friday, the Pakistan side had fired at a BSF trooper while he was standing and drinking water at a border outpost at Budhwar in RS Pura sector in Jammu frontier, the statement said. It said that the bullet got lodged above the BSF trooper's ear. "He was operated upon last night and his condition is stable now."