Char people in the district continued demonstration protesting the arrest of one of their activists Abul Kashem and two 'false cases' filed against their leaders and activists.
Under the banner of 'Basatbhita Rokkha Committee', the speakers at a rally in Sadar upazila yesterday demanded withdrawal of the cases.
They also threatened to go for a tougher movement if committee activist Kashem is not freed and the 'false cases' are not withdrawn immediately.
On Friday night, police filed two cases against 250 people, including 84 named, for assaulting the law enforcers and obstructing them in performing government duty.
Thousands of people of seven char villages have continued their movement for the last one and a half years demanding cancellation of the alleged 'unfair and motivated' acquisition list.
On Thursday, some agitated locals hurled brickbats at police, causing injuries to a constable, when a team of local administration went to Rishipara for distributing notices for land acquisition.
Police picked up Kashem from the spot and produced him before a court that sent him to jail on Friday.
Committee's convener Prof Syed Mosharraf Hossain, its joint convener Kazi Rafiqul Islam, Shahidul Islam, Dr Harun-or-Rashid, Abul Mansur, Golam Kibria, Sadequl Islam Sabuj, Maulana Ismail Hossain and freedom fighter Idris Ali and Sabita Rani spoke at the rally.