Chelsea have confirmed the signing of 20-year-old striker David Datro Fofana from Molde on a six-and-a-half-year contract with an option for an extra year.
The club announced that there a pre-agreement had been made for the move in December. Fofana is the club's second January signing already after bringing in Benoit Badiashile from Monaco.
Fofana has already been to watch his new club, being seen in the stands at the City Ground during the 1-1 draw with Nottingham Forest on New Year's Day.