The Anti-Terrorism Unit (ATU) of Police on December 11 arrested four cadres of the banned militant outfit Allahr Dal from Dilkhola area of Khulna city in Khulna District of Khulna Division, reports Dhaka Tribune. The arrestees are Raja Miah (31), Akejul Islam(24), Mohamad Ahsan Ullah (27) and Abdul Hamid (35). In the raid, books related to extremism were also recovered from their possession.