Earlier, Borhan Uddin, a first year student of Folklore Department, sustained serious injuries when he tried to climb a running bus of the university at Shaheeb Bazar zero point, they said.

The students requested the bus driver to stop the bus for shifting the injured student to Rajshahi Medical College Hospital (RMCH). But the driver did not pay heed to their request and drove fast towards the campus.

On arrival at the campus, agitating students assaulted both the bus driver and helper of the bus.

They shifted injured Borhan to the university medical centre for treatment immediately after their arrival on the campus.

Later, they went to the university transport office and asked for its director. At that time, a staff of the transport section, Khalilur Rahman, misbehaved with the students resulting in an altercation among them. At a one stage, the agitating students started beating Khalilur. Unruly students also tried to ransack the transport office but police rushed to the spot and controlled the situation.

When contacted, university transport director, Dr Sayed Rafiqul Alam, said they would investigate the matter.