At 11:32am on Tuesday, 29 October, officers conducted the stop of a vehicle at White Hart Lane, Tottenham.
The suspect vehicle stopped for police, but then drove off at speed colliding with an officer.
The London Ambulance Service and London’s Air Ambulance attended.
The officer has been taken to hospital. We await an update on his condition.
There have been no arrests.
Enquiries are underway to locate the suspects and the vehicle.