Police believe a missing teenager from Derbyshire could be in the Bucks area.
Nnamdi was last seen in Derby on Wednesday.
The 17-year-old, who is 6ft 1ins tall and has brown hair in plaits, was last seen wearing a grey t-shirt, jeans, and a black jacket.
It is believed that Nnamdi had traveled to London and also has links to Aylesbury.
Anyone who has any information about Nnamdi’s current whereabouts is asked to contact Derbyshire police using any of the below methods, including reference 1152-150323: