Three people were killed and another injured as a bus collided head-on with an ambulance on Bogra-Nagarbari Highway at Salonga in Raiganj in Sirajganj on Monday afternoon.
Among the deceased one was identified as Ranu Khatun, 30, of Panchgar. But the identities of other deceased could not be known immediately.
Officer-in-Charge of Salonga Police Station Shahidul Islam said the accident was occurred at around 5pm when Bogra-bound bus collided with a Dhaka-bound ambulance from Rangpur in Jora-bridge area of the upazila, leaving two passengers of the ambulance dead on the spot, two others critically injured.
The injured were taken to a hospital but one of them died on the way, he added.
Another injured is now undergoing treatment at a hospital