Peel police are searching for the driver of a vehicle in a hit-and-run in Mississauga that left one pedestrian seriously injured. The collision occurred near Derry Road and Hurontario Street at around 6 a.m. on Thursday. Police say two vehicles collided in the area and a pedestrian was struck. One vehicle fled the scene and it has been described as a white sedan with heavy damage to its right front corner. Police say a female pedestrian suffered serious injuries and has been rushed to a trauma centre for treatement. One southbound lane on Hurontario Street is closed for the police investigation.