People from all walks of life thronged the central Shaheed Minar on Tuesday to pay tributes to noted Dhaka University Professor Ajoy Roy. The body of Prof Roy was kept at the Shaheed Minar from 11:20 am to 12:35 pm where people and different organisations paid respect by placing wreaths. From Shaheed Minar, his body will be taken to Birdem Hospital as he donated his body to the hospital before death, said his younger son Anujit Roy.