The injured, identified as Bablu Hawlader, is a final year honour's student of English department at Dhaka College. The other victim is Tenku Haque, 35, whose identity could not be ascertained immediately.
His right hand was severed from the elbow by the accident and he was rushed to Dhaka Medical College Hospital (DMCH).
DMCH police outpost In-Charge Bachchu Miah confirmed the matter to the Dhaka Tribune.
He said: “Bablu’s operation is underway in the Burn and Plastic Surgery department by a 5-member team led by the unit's head Prof Dr Abul Kalam.”
“The bus driver and helper fled the scene. Police are trying to arrest them,” Bachchu Miah added.