Police are renewing their appeal for a Carlisle teen who has been missing for more than three weeks.

Callum Hull, 15, was last seen in the city on December 16.

He has links to both Wigton and Carlisle.

Callum is described as white, of a thin build and has short dark brown hair.

Anyone with information should contact police on 101. Officers would also like to urge Callum to contact this number if he sees this appeal.