The Criminal Investigation Department (CID) has arrested Hefazat-e-Islam leader Junayed Al Kasemi from Brahmanbaria district on Saturday.
CID Additional Superintendent of Police Jisanul Haque confirmed the news to The Business Standard.
He said Junayed Kasemi is arrested in cases for his involvement in recent mayhem in Brahmanbaria.
Activists and supporters of Hefazat-e-Islam staged a massive protest in Brahmanbaria during Indian Prime Minister Narendra Modi's visit to Bangladesh from 26 to 28 March.
They attacked, vandalised, and set fire to several public and private establishments.
At least 11 people were killed in three days of clashes with law enforcement agencies. A total of 55 cases have been filed against 414 people with names while more than 35,000 others were unnamed.
The Police Headquarters handed over the 23 cases in Brahmanbaria to CID on 18 April for investigation. Meanwhile, more than 400 Hefazat leaders and activists have been arrested in these cases.