BNP chairperson's Advisor Abdul Awal Mintoo and Special Assistant Shamsur Rahman Shimul Biswas were arrested from the outside of the chairperson's Gulshan house on Friday night.
Party source said they were picked up while coming out of the house.
Earlier, Detective Branch (DB) of Police picked up BNP standing committee members Barrister Moudud Ahmed, MK Anwar and Rafiqul Islam Miah from in front of Sonargaon Hotel in the capital.
DMP confirmed the matter to the Dhaka Tribune.