National 0Nuruzzaman Biswas, MP, speaks at a human chain at Iswardi Upazila in Pabna marking the 17th anniversary of the ‘August 21 grenade attack’ on Saturday. 23 Aug 2021, 12:00 am0Nuruzzaman Biswas, MP, speaks at a human chain at Iswardi Upazila in Pabna marking the 17th anniversary of the 'August 21 grenade attack' on Saturday. admin