The Anti-Terrorism Unit (ATU) of police arrested an alleged member of the militant outfit Ansar Al Islam in Moulvibazar on Wednesday.
The arrestee is identified as Azizur Rahman Jahin, 18, son of Ataur Rahman of Jagannathpur village of the sadar upazila.
On secret information, a team of the unit conducted a raid in Jagannathpur village around 4:00am and arrested Jahin, he said.
However, three to four accomplices of Jahin somehow managed to flee the scene. The team also recovered a smart mobile phone set, two SIM cards, huge books bearing dogmas of militancy and some other things from his possession.