Police filed a case accusing 90 leaders and activists of Islami Chhatra Shibir over the recovery of crude bombs and other explosives from its office Chattogram.
Sub-inspector Anisur Rahman filed the case with Chakbazar Police Station early Sunday.
The case was filed accusing 52 named, including city unit Shibir president Abdul Jabbar, general secretary ASM Rayhan and treasurer Hamed Hasan Elahi, along with 38 unnamed people, said SI Anisur.
On Saturday night, police recovered crude bombs during a block raid at the office of Islami Chhatra Shibir in the port city.