Police are hunting a group of youths who surrounded a car and robbed the occupants by stabbing them and threatening them with handguns.
The incident happened last Tuesday (March 6) shortly after 9.45pm in Mountbatten Close near the junction with Gipsy Hill.
Four people left a nearby pub and got into a red Toyota Yaris, before being surrounded by about eight youths.
Two of them were stabbed in the leg as the group stole their property and then ran down Mountbatten Close.
The suspects are described as young black men aged between 18 and 25.
Anyone with information should call Detective Sergeant Gordon Barclay in Lambeth CID on 020 8649 2477, email Gordon.Barclay@met.police.uk , or speak to Crimestoppers anonymously on 0800 555 111.
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