Joey Barton has been called to appear before the French Football Federation's ethics committee following his comments about Paris Saint-Germain defender Thiago Silva.
The Olympique de Marseille midfielder described the stopper as an "overweight ladyboy" on his Twitter account after the Ligue 1 leaders' Champions League clash with Barcelona on Tuesday.
"Joey Barton has been summoned by the ethics committee and will be heard on 15 April," the committee's president, Laurent Davenas, confirmed to Reuters on Thursday.
Barton has been involved in a spat with Thiago Silva ever since he posted remarks criticizing the standard of Brazil starlet Neymar, along with other members of Luiz Felipe Scolari's squad.
Marseille issued a statement on Wednesday apologizing to PSG and the defender, acknowledging that Barton's remarks were "inappropriate" and revealing it has asked the former Manchester City man to put an end to the dispute.
At the conclusion of PSG's 2-2 draw with Barcelona, Barton was complimentary of Thiago Silva, writing, "Thiago Silva put in the performance of his career. What a day to call him over-rated. In hindsight, I should have waited."
Barton is on loan at the Ligue 1 side from Premier League side Queens Park Rangers.
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