The Anti-Terrorism Unit (ATU) of police has arrested an active member of the banned militant outfit Ansar al-Islam from Jagannathpur village in Moulvibazar Sadar.
The arrestee was identified as Md Azizur Rahman Jahin,18, son of Md Ataur Rahman Jagannathpur village, a press release said.
A team of ATU nabbed him around 4am on Wednesday.
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The arrestee and his accomplices regularly met at secret places in different parts of Moulvibazar district and continued to propagate the extremist ideology of Ansar al-Islam online.
The law enforces also recovered one android mobile phone, two SIM cards and a large number of extremist books, training and strategy manuals, soft copies of leaflets, preserved videos, printed books and books from his possession.
A case was filed in this connection.