Police on Thursday filed a case against 250 BNP activists in connection with the clash in the district’s Hajiganj Bazar.
Sub-inspector Anwar Hossain of Hajiganj police station filed the case mentioning 17 names in particular.
Police also arrested two activists from Jubo Dal -- Siraj, 28, and Abul Bashar, 23.
Officer-in-charge of the same police station Dewan Abul Hossain said those who were involved in assaulting police and vandalism in Haziganj Bazar would be arrested soon.
At least 25 were injured in a tripartite clash among local AL, BNP activists and police on Thursday afternoon that erupted as both parties wanted to hold a rally in the same venue. Police managed to bring the situation under control using teargas shells and rubber bullets.
Agitated BNP activists later vandalised at least 20 vehicles including trucks and CNG-fueled auto rickshaws.