At least four people were killed and 20 others injured after two buses crashed into each other on the Dhaka-Khulna Highway in Mugi area of Magura Sadar upazila on Friday afternoon.
Police could not immediately confirm identities of the deceased.
Officer-in-Charge of Magura Police Station Joynal Abedin said a bus of Shohagh Paribahan collided head-on with a Khulna-bound bus Chakladar Paribahan at 1:30pm leaving four people dead on the spot.
After the accident, Chakladar Paribahan bus plunged into a roadside ditch as another bus of Highest Paribahan hit it from behind, he said.
Vehicular movement remained suspended for two hours after the accident, the OC said.
The injured were admitted to the Sadar Hospital, he said.
Police seized the three vehicles but their drivers are on the run, he added.