Four people, including a woman, were killed and 15 others injured as a bus overturned and fell on a van in Ullapara upazila of Sirajganj district on Friday morning.
Identities of the deceased could not be known immediately.
Police and locals said a bus of 'National Travels' overturned in Goza Bridge area on Hatikumrul-Bonpara highway and fell on a van around 11 am, leaving four passengers of the latter vehicle dead on the spot.