Three people, including two high school students, were killed and another was critically injured as a speeding bus rammed into a three-wheeler, locally known as Borak, on the Bhola-Charfassion road in Doulatkha on Friday morning, police said.
The deceased were identified as Rima Akter, 17, Shikha, and Md Abdul Kalam, 55, from Joynahar union of the upazila.
Rima and Shikha were second-year students of Halima Khatun Mahila College.
The accident occurred around 9.15am when the Char Fassion-bound bus of Shyamoli Paribahan hit the three-wheeler in the Uttar Uddin area, killing three people on the spot and leaving the vehicle's driver critically injured, Md Jakir Hossain, officer-in-charge of Doulatkhan police station.
The driver was rushed to Bhola Sadar Hospital; he is still not out of the woods.
The bus driver and his assistant were detained in connection to the accident, Jakir said.
