The Algerian international has joined the Hammers on a three-year deal.
Ronald Koeman move from Southampton to Everton yesterday.
The striker inspired the Hoops to the Scottish Premiership title.
West Ham United boss Slaven Bilic has confirmed that Gokhan Tore is on his transfer wishlist.
Kari Arnason, the Iceland defender, has responded to Cristiano Ronaldo’s scathing attack on his team’s European Championship debut by branding the Portugal captain a graceless human being who will always be regarded as inferior to Lionel Messi.
Southampton boss Ronald Koeman move to Everton yesterday.
The Hammers star looks set to further boost his profile at the European Championships.
Josh Windass is Rangers bound.
Five Tottenham players were called up to Roy Hodgson's England squad for Euro 2016, while only one Arsenal man made the cut.
Leeds United's young players will take part in a prestigious summer tournament.