A man was taken to hospital following a collision on Eastcote Late shortly before 6pm yesterday evening.
The crash followed another incident nearby in which two people were taken to hospital in South Harrow.
Eastcote Lane was temporarily closed off as emergency services helped the injured person at the scene.
A spokesperson for London Ambulance Service said: “We were called at 5.53pm yesterday (3 June) to reports of a road traffic collision in Eastcote Lane, Harrow.
“We sent an ambulance crew to the scene.
“We treated a patient for back pain and took him to hospital.”