A Border Security Force soldier was killed on Friday in ceasefire violation by Pakistan rangers in Arnia sub-sector of International Border in Jammu district. BSF sources said that Pakistan rangers resorted to unprovoked firing at Indian positions in Arnia sub-sector on Friday morning. "One BSF trooper has been killed in ceasefire violation by Pakistan rangers. They are using mortars, automatics and small arms to target nine BSF posts in Arnia. BSF troopers are retaliating strongly and effectively", BSF sources said.