Update: Police have confirmed that Robert has now been found.
Lincolnshire Police is looking for a missing 17-year-old who was reported missing on Thursday.
Robert Brain is six feet tall and has short blonde hair.
He was last seen wearing a colourful lion top, dark grey joggers and trainers with a dark bag.
It is believed that Robert may be in the Spalding Town Centre.
Anyone who believes they have seen Robert is being urged to call 101 and quote 101 of July 18.