A man in his 20s was treated for chest injuries following a collision between a car and a motorbike this morning.
London Ambulance Service was called to London Road, close to the junction with Victoria Road in Mitcham at 7.25am.
Paramedics treated the man at the scene but he was not taken to hospital.
Mike Murphy-Pyle, who passed the scene on the way to work in Sutton, said: "There were three cop cars, all with blue lights flashing.
"There was a motorbike parked and I think I saw a guy on the floor. Further down the road I saw an ambulance heading in that direction."
There have been no reports of roads blocked.
No arrests have been made.
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