The police have filed a case against some 500-600 unidentified students of Dhaka College, Dhaka City College and Ideal College for their alleged involvement in Sunday's clash at Dhaka's Science Lab.
New Market police station SI Hossain Mohamamd Arafat filed the case on Monday night.
Students of the three colleges clashed in the capital's Science Lab area at around 1pm on Sunday, which continued for nearly one hour.