Norwegian midfielder Kristoffer Ajer has agreed to join Celtic in June on a four-year contract.
The 17-year-old is currently with Start in his homeland and had a trial with the reigning Scottish Premiership champions in January.
He returned to Glasgow for signing talks on Tuesday.
Ajer has made more than 40 senior appearances at club level, scoring 13 goals, and has played and scored for Norway Under-17s.
More to follow.