Ullapara (Sirajganj) Correspondent: A mother and her son died on the spot when a pickup truck carrying cement ran over a passenger van on Bogra-Nagarbari highway near Chala village of Ullapara upazila around 10 am on Thursday. The mother-in-law and van driver were seriously injured. The deceased are Karuna Khatun (26), wife of Khalilur Rahman of Chala village and her son Tariqul Islam (5). Injured Sakera Khatun (55) and van driver Abdul Jalil were admitted to Sirajganj Begum Fazilatunnessa Mujib General Hospital in critical condition. Police impounded the killer pickup. But its driver escaped.