The 23-year-old starred for Nottingham Forest last term, helping the Magpies' Premier League rivals return to Europe for the first time in 30 seasons by scoring six goals and providing 11 assists.

The Swedish international winger - who has played with Alexander Isak and Emil Krafth for the Blågult - arrived on Tyneside and underwent the customary medical and media duties before putting pen to paper and committing his future to Eddie Howe's side.

Serena Taylor was there to document his first day at the club for this newcastleunited.com gallery.