West Ham United will monitor the fitness of Diafra Sakho ahead of the weekend.
The 24-year old striker missed Senegal's 2015 African Cup of Nations qualifier against Botswana on Wednesday because of a back problem.
Sakoh posted on Twitter on Wednesday evening that he was unable to take part in the clash which immediately puts him in doubt for Saturday's Premier League trip to Everton.
Dear fans, unfortunately my back pain makes me unfit for the game
I'm as devastated as you are, but i'll be back!
Thanks 4 your support!
— Diafra Sakho (@iamdiafrasakho) November 19, 2014
Since arriving at Upton Park from French club Metz in the summer, Sakho has scored six goals from eight Premier League appearances which includes a run of six scoring matches in a row.
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