A Bangladeshi mango trader was shot to death and three others were injured by members of Indian Border Security Force (BSF) in Natunpara bordering area of Jibannagar upazila in Chuadanga on Saturday.The dead man is Shihab Uddin Sajal, 18, son of Mahabul Islam, of village Goalpara.The injured were identified as Sabuj, 18, son of Shahidul Islam, Biplob, 19, Mominul Islam and Alam, 19, son of Jamat Al.BGB said BSF members from Nonaganj camp arrested some Bangladeshi young men, including Shehab, after they entered a mango orchard for plucking mangoes in the bordering area at about 11am.At one stage, the BSF members hit them up with rifle butts, leaving them injured, said Chuadanga BGB-6 Commanding Officer, Lieutenant Colonel Amir Mazid.Later the BSF members opened fire on them while they tried to flee, leaving Shehab injured.Shehab was taken to Jibannagar Upazila Health Complex where doctors declared him dead.