Officers were called at 1.43am on Friday June to reports of a firearm being discharged in Carrara Close, Somerleyton Estate, SW9.
London Ambulance Service also attended and found a 22-year-old man with gunshot injuries
He was taken to hospital for treatment where he remains. His condition is not life-threatening.
No arrests have been made and enquiries into the circumstances remain ongoing.
Anyone with information or who was in the area at the time of the incident and can assist in the investigation is asked to call police on 101 quoting CAD Ref: 590/21JUN.
Alternatively, you can contale the independent charity Crimestoppers 100% anonymously on 0800 555 111 or visit crimestoppers-uk.org.
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