A general diary (GD) was field after a student of Fine Arts faculty received a letter threatening an attack on Mangal Shobhajatra event during the Pahela Baishakh celebrations on April 14.
Abatahi Rahman, an organiser of the event, filed the GD with Shahbagh Police Station on Tuesday night.
Ramna divisional deputy commissioner Md Shahidulah confirmed about the GD.
Abatahi said in the GD that they found a small white paper attached to a chair when the organisers were supervising the colouring work on the west side wall of the Fine Arts faculty of the Dhaka University. A note Tk 50 was also found there.
There would be an attack at any time on the Mangal Shobhajatra on Pahela Baishakh, the letter said
