West Ham United co-chairman David Gold admits the club will need to scan an injury picked up by Dimitri Payet on Saturday against Everton.
Payet, who has been a revelation for the Hammers since joining the club from Marseille in the summer, limped off just after half time, having felt the effects of a challenge by Everton midfielder James McCarthy.
West Ham recorded a 1-1 draw in the game, but worries were instantly expressed for Payet, who is a key man for the Hammers.
Gold says that the Frenchman will have to undergo scans, but the co-chairman is hoping that Payet will be back in time for West Ham's match against Tottenham Hotspur following the international break.
Asked about Payet's injury on Twitter, Gold replied: "It's hard to say how long Dimitri will be out until after the scans on Monday but let's hope he's back for Spurs."
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West Ham's draw with Everton at Upton Park leaves the side sitting fifth in the Premier League table with 21 points from 12 games.
The Hammers are just three points off fourth placed Manchester United and four behind early season sensations Leicester City, who sit third at present.
