Pakistan Rangers fired at Indian positions on the international border in Jammu and Kashmir Thursday, sparking intermittent exchange of gunfire.A senior police officer told IANS here that Pakistan Rangers fired at the Narain border post of the Border Security Force at Ramgar in Samba district."The Pakistani firing started at 10.30 a.m. and is still continuing intermittently," the officer said. The BSF retaliated. "No casualty or damage has been reported from our side."The latest ceasefire violation came as Prime Minister Narendra Modi flew to Jammu and Kashmir to express solidarity with the flood affected people and to meet Indian soldiers at the Siachen Glacier.Over 30,000 residents of border villages in Jammu and Kashmir are still living in relief camps after they fled their homes following Pakistani shelling that started Oct 6.