West Ham were set to complete the signing of France midfielder Alou Diarra from Marseille.
The Hammers issued a statement on their official website on Friday in which they revealed they were on the brink of "tying up a major new signing in the next few hours".
Press Association Sport understands the player involved is 31-year-old Diarra, who was reportedly slated to arrive in London this week to undergo a medical ahead of a £2million move.
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