A 43-year-old man was taken to hospital in unstable condition and has since died of his injuries.
Investigators now believe he may have been hit by a vehicle, possibly a newer-model grey four-door SUV.
Const. Rob Carver said the circumstances surrounding the crash are unclear at this point and investigators are still trying to determine what led to the collision.
Anyone with information about the crash is asked to call police at 204-986-6271.