West Ham United have lost midfielder Cheikhou Kouyate for six weeks.
Kouyate has been ruled out for six weeks after suffering a groin injury against Liverpool on Saturday.
The 24-year-old has started all five Premier League games this season but is now expected to miss the next five fixtures.
West Ham co-owner David Gold confirmed the injury on Twitter.
He said: "Bad news. C.Kouyate will be out for 6 weeks. He will probably miss 5 games and might be available for Aston Villa at home 8 Nov."
