Two brothers and a sister were killed and two others injured in a head-on collision between a bus and an ambulance on the Dhaka-Bogura highway in Raiganj upazila of Sirajganj on Monday evening, police said.
Mashiur Rahman, 40, his brother Abdul Baatein, 38, and his sister Ranu Akhtar, 22, were the children of Manik Uddin of Deviganj upazila in Panchgarh district.
The injured could not be immediately identified.