Officers arrived in Kingston on Sunday, April 12 and cordoned off a parade of shops along Richmond Road.
The incident took place near a barbershop and police remained at the scene into the following day.
Multiple vehicles from the Metropolitan Police’s territorial support group were also seen in the area, alongside uniformed officers.
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Police swarm London street after major incident near barbershop (Image: H.ako0/Tiktok)
A police helicopter was reported hovering around Kingston on the night of the incident.
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An eyewitness who said she was at the scene around 5.40pm described seeing a young man leave the barbershop and approach officers who were already in the area.
She said: “Police were already on the road dealing with another incident when a young man ran out of the barbers and notified the police.
“One of them grabbed a first aid kit out of the trunk.”
The witness suggested the incident might have involved a knife, though this has not been confirmed by police.
Online speculation quickly spread, with some claiming a fatal incident had taken place.
However, it is understood this incident was not fatal.
Earlier this morning emergency services were contacted for more information.