SUKKUR - At least ten people were killed and three others sustained injuries in a road mishap near Sangi, Panu Aqil, police reported on Sunday.   According to Senior Superintendent of Police Irfan Samu, a passenger van, going to Karachi from Rahim Yar Khan, turned turtle near Sangi due to high speed. As a result, some ten people including women and children died on the spot and three others were injured seriously.They were shifted to the nearby hospital for medical treatment.