A case has been filed over the busting of JMB den at a building in Dhaka's Mirpur.
DB Inspector Md Shafiuddin filed the case with Shah Ali police station on Friday afternoon.
Shah Ali police station OC Shahin Mondol said the case was filed against five named JMB members and five to six unnamed people.
Of the accused, three were arrested on Thursday from the JMB den while two are on the run.
The three JMB men are Abu Sayeed alias Rasel alias Salman, 22, Md Elias alias Omar Faruk, 23, and Mohsin Ali, 20.
Also Read: Suicide belt, grenades, explosives found at Mirpur JMB den
Police, RAB and SWAT team, in a joint drive, arrested seven people from the JMB den on Thursday.
The law enforcers also seized at least 17 hand-made grenades.
DB said the recovered grenades were similar to those used in the Tazia attack.
In addition, they also recovered a “suicide belt,” three crude bombs, two pipe bombs, a computer casing, a pipe drilling machine, several electronic circuit boards, wires, explosive substances and Jihadi books.
The drive was conducted on the basis of a tip off from another Tazia attack suspect arrested on Wednesday.