Dhaka, Aug. 16 -- The Rapid Action Battalion (RAB) has arrested two more suspects in the killing of Rahat Hossain Rabbi, who was stabbed to death at a Banani shisha bar in Dhaka earlier this week.

The latest arrests brought the total number of detainees to six, bdnews24.com reports.

On Saturday, RAB-1 Senior Assistant Superintendent Salman Noor Alam said the two men -- Maksudur Rahman Hamza, 26, and Munna, 27 -- were nabbed from Borura in Cumilla on Friday.

According to the RAB, the suspects confronted the 31-year-old victim on a stairwell as he left the "360 Degree" bar around 5:30 am Thursday.

Police said Rabbi, a Mohakhali resident and internet businessman, was attacked while descending from the fourth floor to the second. Witnesse...