Rapid Action Battalion (RAB) has arrested six members of banned militant outfit Ansar Al Islam from different parts of the capital city.
Among the arrestees is Mezbah Abu Masroor, in-charge of the Dawati unit of Dhaka region in the Ansar Al Islam organisational setup.
Acting on a tip-off, a team of RAB-1 and DGFI arrested them from Uttara, Banani, Banashree and Jatrabari areas of the capital on Monday night.
Two laptops, six mobile phones, pamphlets supporting extremism and diaries and notebooks related to organisational activities were recovered.
Legal action is being taken against those arrested, ASP Imran Khan of RAB headquarters media wing said.