Five people, including four primary schoolteachers, were killed in triangular collision of a tractor, an auto-rickshaw and a truck on Naogaon-Rajshahi highway in Bablatala area under Sadar upazila of Naogaon on Friday morning.
The tragic incident occurred when the Rajshahi-bound truck rammed into the three-wheeler coming from the opposite direction in the morning and later fell into a roadside ditch.
The schoolteachers were on way to Naogaon district town to take part in a training programme.
The accident took place at around 8:00am and the five killed on the spot, said Naogaon Sadar Police Station officer-in-charge Nazrul Islam.
The OC said the police had confiscated the two vehicles, but the truck driver had managed to flee the area.
Locals and the police said that the Naogaon bound auto-rickshaw first collided head-on with a truck and, then, the auto-rickshaw was again hit by a tractor from the back, killing the five dead on the spot.