Police have arrested so far five main accused in the incident of pushing of Rajshahi Polytechnic Institute principal into a pond.
Additional Deputy Commissioner Golam Ruhul Kuddus, spokesperson of Rajshahi Metropolitan Police, confirmed the matter on Tuesday morning.
All are the students of Rajshahi Polytechnic Institute. Identifying them from the CCTV footage and based on the information given by the eye witnesses, police made the arrests, he said.
A group of Bangladesh Chhatra League activists threw the principal of Rajshahi Polytechnic Institute into a pond on the campus for not allowing two of them to take part in examinations.