Members of Rapid Action Battalion-RAB have arrested another accused Nannu Kazi in the case over the brutal killing of trader Sohag in Old Dhaka.
RAB members arrested Nannu Kazi from Balia village in Narayanganj last night.
So far, eight people have been arrested in connection with the murder.
After primary interrogation Nannu confessed his connectivity with the murder.
On July 9, Sohag was dragged out of his shop and beaten to death near the gate of Sir Salimullah Medical College Mitford Hospital.
His body was crushed with large chunks of concrete.