West Ham United have announced Arthur Masuaku has signed permanently for Besiktas.

The Hammers confirmed the deal this morning.

The left-back, who was loaned by West Ham for Besiktas, has signed a two-year contract plus an option for a further season, as officially announced by the Istanbul team.

Besiktas triggered the purchase option of €2m in Masuaku's transfer contract.

Masuaku joined Besiktas on loan in August last year. In 27 competitive games, the 29-year-old contributed two goals and four assists.