Police are concerned for the safety of Haroon Afsar, 13, who is missing from his home in Streatham.
Haroon was last seen by his mother at around 6pm yesterday when he disappeared while out shopping in the 99p Store in Streatham High Road.
He was seen on CCTV a short time later walking on Mitcham Lane towards Wandsworth.
He is described as an Asian boy, 5'2" in height and of medium build.
When last seen he was wearing a white jacket with a Lacoste logo and a green V design on the hood, with a red t-shirt and grey jogging bottoms.
Anyone who may have seen Haroon should call officers from Lambeth CID on 07785 774447 or call police on 101 and quote ref 13MIS/027061.