Monir Hossen Kashemi was arrested from the capital city's Baridhara area at around 8.45 p.m. on Friday.
Kashemi is alleged to have made anti-state remarks and instigating violence during the violent protests from March 26 to April 3.
He is also the leader of Jamiat Ulema-e-Islam Bangladesh, another Islamist outfit in Bangladesh.
--IANS
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