KHANEWAL   -   Five people got injured critically as result of troller hit ambulance at National Highway on Friday morning, rescuers said. Injured included Iftikhar, Afzal, Fiaz, Zafar and Ishfaq were moving through ambulance, stated to be the residents of tehsil Burewalla. Ambulance had left for Burewalla to Multan. Rescuers shifted three wounded persons to Nishtar hospital here, while rest two Civil hospital Khanewal for providing medical treatment.