Met Police say Olivia is described as:
- Light skinned black female, 5ft 5 inches tall
- She has long, blond and brown plaited hair
- She was last seen wearing a dark green hooded coat, a white school polo shirt, black trousers and black shoes
- She has a mental age of five-years-old
Anyone who has seen her or who knows of her whereabouts should call police in Enfield Borough on 07825832887 or 101.
More top news
Russell Davy is still haunted by the memory of Eddie Heath, the chief scout he says sexually assaulted him at Charlton.
A leaked letter has caused huge controversy.
Video taken in Soho Square shows sparks flying into the air as the men cut through a lock on the Ducati bike.