London Fire crews responded to reports of an unconscious person in the 100 block of Hamilton Road Friday.
When first responders arrived, the call was quickly upgraded to a full extrication response.
A pedestrian had apparently been struck by a vehicle and was trapped underneath.
Upon arrival, crews confirmed one person was pinned underneath the vehicle.
Crews were able to successfully extricate the person, and they were transported a hospital by EMS with unknown injuries.
London police are investigating the incident.