Missing 14-year-old boy

Kofi Martin - missing teenager Credit: South Yorkshire police

Police in Sheffield are becoming increasingly concerned for the whereabouts of a 14-year-old boy. Kofi Martin, who is from Woolwich in London, was staying at a house in the Norton area of Sheffield when he vanished in the early hours of Tuesday morning.

He was last seen wearing a black tracksuit with black and silver trainers. Officers believe he may have travelled back to the capital.