A man was treated by paramedics after being hit by a scooter.
Police were called to the incident at the junction of Latchmere Road and Lavender Hill, in Battersea, at about 1.15pm.
It is thought the man in his 20s was hit by a scooter as he was crossing the junction.
An ambulance was called at about 1.40pm.
The accident caused traffic problems in the area, but the road has not been closed.
Yesterday a 39-year-old woman hurt her back after being hit by a moped at the same junction.