A pedestrian has been critically injured after being hit by a vehicle in Scarborough on Wednesday night. Emergency crews were called shortly after 7:45 p.m. for a collision in the area of Pharmacy Avenue and St. Clair Avenue East. When they arrived, police and paramedics found a female pedestrian with serious, life-threatening injuries. She was subsequently rushed to the hospital. Toronto police say the driver of the vehicle remained at the scene. The circumstances surrounding the incident are not immediately known.