Kardell was reported missing from the south London borough yesterday (March 12).
The police have asked the public to call 999 with information or if he is spotted.
The boy is described as last wearing a yellow beanie harm a puffer under a black coat, a grey hoodie, black tracksuit bottoms and red and black Nike trainers.
A Met Police spokesperson said: “Kardell, 13, is reported missing from Lambeth.
“Last seen wearing a yellow beanie hat, a puffer under a black coat, grey hoodie, black tracksuit bottoms, red & black Nike trainers.
“If you have seen Kardell or know where he may be, please call 999 quoting 2769/12Mar.”
