By Mohammad Al-Masum Molla in The Daily Star, Oct 30, 2023After enforcing its first nationwide hartal in eight years, BNP yesterday called a three-day rail, road, and waterways blockade across the country from Tuesday to Thursday. The opposition party will enforce the blockade to protest the killings of its activists in police action and the arrests of party leaders and supporters, including Secretary General Mirza Fakhrul Islam Alamgir, over the last two days. BNP Senior…