According to eyewitnesses, 10 to 12 individuals gathered at the base of the Raju Sculpture in the morning, where they held a short procession and displayed banners.
They quickly concluded the programme and left the scene in a black microbus.
Police then detained two individuals from another microbus present at the spot and took them to the police station for questioning.
DU Proctor Professor Saifuddin Ahmed said that one of the detainees is a Dhaka University student. He added that they were taken to Shahbagh police station in the morning.