Football Association also investigating claims
A Football Association spokesman said the FA is also investigating the matter.
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Millwall vows race chants probe
Millwall Football Club has pledged to call in police to investigate claims that four rival players were subjected to racist abuse.
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Bolton player accuses fans of racism
The Football Association is investigating claims made by a Bolton player that he and three team mates were racially abused by a fan during their match against Millwall.
Marvin Sordell, 21, tweeted about the alleged derogatory remarks.
Both clubs and the Met Police are also investigating his claims.
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