Four persons were sentenced to death for killing writer and blogger Ananta Bijoy Das of Sylhet in 2015. The condemned convicts are Abul Khaer Rashid Ahmed, Abul Hossain alias Abul Hussain, Harunur Rashid and Faisal Ahmed, reports our Sylhet correspondent. Sylhet Anti-Terrorism Special Tribunal’s judge Nurul Amin Biplob als