A 13-year-old boy who has gone missing from Spalding was last seen in his school uniform.
Thomas Evans was last seen on Church Street in Spalding at around 3pm on Monday, January 6.
He is 5 feet 6 inches tall and has a medium build with short dark brown hair.
Lincolnshire Police said Thomas also has links to the Northamptonshire area.
Anyone who has seen Thomas or knows of his whereabouts has been urged to call 101.