Police responded to reports of an altercation on Lower Road at 10.25pm on Friday (August 29).
A 17-year-old girl received treatment for minor injuries at the scene from the London Ambulance Service.
No arrests have been made at this stage.
A spokesperson for the Metropolitan Police said: “Officers responded to reports of an altercation in Lower Road, Carshalton at 22:25hrs on Friday, 29 August.
A 17-year-old girl received treatment for minor injuries at the scene from the London Ambulance Service.
“No arrests have been made at this stage.
“Anyone with information is asked to contact the Met via 101, quoting 8164/29AUG.”
