A 21-year-old man was rushed to hospital with a gunshot wound after being shot during a fight between two groups in Little Venice just after 11pm last Friday.
Police were called to the fight by the Warwick Estate on Bourne Terrace where the injured man was found.
He was taken to hospital where he remains in a stable, but not life-threatening, condition.
An 18-year-old man was arrested in connection with the investigation and bailed to return in September.
n Witnesses are asked to call Det Supt Alan McRae on 020-8733 4774 or Crimestoppers anonymously on 0800 555 111.
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