Newcastle United have completed the signing of Amadou Diallo until the end of this season.
The Magpies have secured the services of the 19-year-old after a successful trial over the past few weeks. He leaves West Ham for the Toon.
Diallo was involved in a 1-1 draw against Middlesbrough Under-21s recently.
After signing, Diallo said: "Firstly, I want to say thank you to the club for giving me an opportunity to become a Newcastle player. "I'm very delighted to be here and will be looking forward to playing and helping the team.
"From day one, the players and staff were good to me and helped me settle in quickly so that made everything else easier. I'm really looking forward to getting started to help the team and work hard to achieve our goals as a team for the season."