Three people including a woman were killed and 15 others were injured as an inter-city bus lost control and crashed against a bridge at Bankkali in Dinajpur.
The identities of the deceased could not be known yet, police said.
The accident occurred at around 8.30 pm on Monday.
Kotwali police sub-inspector Mahbub said a coach of Ahsan Paribahan, on its way to Dhaka from Thakurgaon, lost control after one of its front wheels punctured at Bankkali area of Dinajpur district headquarters.
It then rammed into the railing of a bridge, leaving several of its passengers injured.
They were rushed to M Abdur Rahim Medical College Hospital where two people were declared dead. Later a woman died while undergoing treatment, SI Mahbub said.
Seriously injured 15 people were being treated at the hospital, he added.
