A man was taken to hospital suffering stab wounds on Sunday, February 22.
Officers from Sutton police were called out to Robertsbridge Road, near St Helier, by the London Ambulance Service at 2.34pm, the Metropolitan Police has said.
The man, said to be aged in his early 20s, was taken to a south London hospital where he remains.
His injuries are not believed to be life threatening and his condition is stable.
Officers are continuing with their enquiries and no arrests have been made although the scene remains taped off.
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