Clashes broke out between police and BNP leaders and activists on Saturday when the latter gathered at several entrances of the capital to observe their five-hour sit-in programme. The clashes broke out at Sonir Akhra, Uttara,Matuail and Gabtoli around 11am when the opposition activists took position there.  Police picked up several BNP leaders including BNP senior leader Gayeshwar Chandra Roy and Amanullah Aman  during the clashes. BNP leader AmanUllah Aman fell sick during chase and counter-chase with police when he went to Gabtoli to join the sit-ins programme. Police picked him up while he was lying on the road. Also read: AL’s Dhaka South unit postpones sit-in program at entry points of capital  Meanwhile, a large number of law enforcers have been deployed at the key entry points of Dhaka centring BNP’s sit-ins as Dhaka Metropolitan Police (DMP) on Friday night said it will not allow the party to hold their programme.