The identities of the deceased could not be known.
The accident took place around 11.30 am on the Mymensingh-Phulpur highway when a bus collided head-on with a CNG-run auto rickshaw, leaving its two passengers dead on the spot and seven others injured, said Mohammad Tipu Sultan, Officer-in-Charge (OC) of Tarakanda Police Station.
Several other high-speed vehicles, including a pickup van another auto-rickshaw and a covered van, were also involved in the collision, the OC said.
The injured were taken to Mymensingh Medical College Hospital, reports BSS.