17-year-old Md Israfil and 15-year-old Robeya Khatun were married about eight months ago
The accident took place in the afternoon on Dhaka-Sylhet highway near Syedpur bazaar in the Upazila, Sherpur Highway Police Station Sub-Inspector Nazrul Islam said.
The deceased have been identified as Maolana Md Rezaul Karim, 24, Qazi Sayeed, 90, and his son Imam of Nabiganj sub-registrar office mosque Maolana Hafizur Rahman, 40.