Tripura, June 07 (ANI): A Border Security Force (BSF) constable reportedly committed suicide after killing a 60-year-old man along Tripura's border with Bangladesh following a quarrel with locals. At least 11 others including a woman received bullet injuries. According to angry villagers, the squabble started when security personnel of BSF stopped an elderly villager Ismile Mia from going to a pond situated next to the barbed wire border fencing in South Ramnagar in Agartala. Villagers said that the allegedly drunk BSF trooper Sandeep Kumar of 195 battalion committed suicide.