Front Page 0 1 min readThick black smog billows over the PGCB grid substation at Mymensingh’s Kewatkhali power station after a fire broke out there on Thursday. 11 Sep 2020, 12:00 am0Thick black smog billows over the PGCB grid substation at Mymensingh's Kewatkhali power station after a fire broke out there on Thursday. admin