On Friday morning Bhanga police arrested maulana Mohammad Abul Hossain, vice-president of Hefazat-e-Islam Faridpur district branch from his home at west Alipore, with the help of Faridpur police.
Abul Hossain was a Mohaddess of Charkamalapur Madrasa in Faridpur.
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On March 27, a procession from a nearby madrasa attacked the Bhanga police station, causing extensive damage.
Several people, including the police on duty were injured in the attack.
Bhanga Police Station sub-inspector Mohammad Shahidullah filed a case accusing 300 unidentified persons.
The investigating officer of the case, Sub-Inspector of Bhanga Police Station Bikash Mandal said Abul Hossain was arrested from Faridpur city as an accused in the case.
A 7-day remand will be asked for Abul Hossain at the court, he added.
So far 19 people have been arrested in the case.
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18 arrestees have been sent to jail after they were taken into remand for various periods.