A BSF jawan deployed along the India-Pakistan border in Jammu was killed today in an incident of unprovoked firing from across the border. <br/><br/>BSF sources told AIR that Head Constable R P Hazra was seriously injured by sniper shot at around 4:30 pm at border outpost Chack Dulma in the Samba sector of Jammu and Kashmir. He was shifted to district hospital Samba where he succumbed to injuries. <br/>'<br/>A senior BSF Officials said that Retaliatory fire has been initiated. The exchange of fire was going on when last reports came in The BSF guards the Indo-Pak International Border in the region.<br/>'