Referee Mike Dean reported the club after at least four players surrounded him after he sent off Mikel John Obi.
The FA said in a statement: "Charges have today been issued against Chelsea FC and the club´s assistant coach Steve Clarke. Chelsea have been charged with failing to control their players during their match against Manchester United on September 23. This charge relates to the conduct of Chelsea players towards referee Mike Dean following the sending-off of Mikel John Obi."
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