Members of Sonatoni Samaj, Bandarban District Unit formed a human chain protesting killing of businessman Khokon on Friday. New Nation Published: 12:00 AM, 18 July 2016 Updated: 1:34 PM, 29 September 2022 Members of Sonatoni Samaj, Bandarban District Unit formed a human chain protesting killing of businessman Khokon on Friday. .