Uefa has opened disciplinary proceedings against CSKA Moscow for the "racist behaviour of their fans" during their home Champions League match against Manchester City.
City midfielder Yaya Toure said he was subjected to racist chanting during his team's 2-1 win in Moscow on Wednesday.
The European football governing body says the case will be dealt with by its disciplinary board on 30 October.
CSKA Moscow consider the racism allegations to be "unfounded".
Uefa is also looking into the setting off of fireworks by home supporters during the match in Russia's capital.
In May, Uefa announced that in the case of racist incidents involving spectators, a partial stadium closure would be applied for the first offence and a full stadium closure for a second, coupled with a fine of 50,000 euros (£42,800).
CSKA's next home game in the Champions League is against Bayern Munich on 27 November, before which they visit Manchester City on 5 November.
Ivory Coast international Toure said he was "furious" and reported the chants to the referee during the game and afterwards.
But CSKA are "surprised and disappointed" by Toure's claims.
A club statement read: "Having carefully studied the video of the game, we found no racist insults from fans of CSKA."
CSKA spokesman Michael Sanadnze told BBC Radio 5 live: "We have nothing to hide, of course, and we have confirmation from the match delegate and the venue director that they themselves didn't hear anything special."
Lord Ouseley, chairman of anti-discrimination body Kick It Out, said the latest incident would "test" Uefa's new sanctions.
He added referee Ovidiu Hategan should not officiate again after failing to follow protocol when Toure reported the incidents to him.
Under guidelines issued by Uefa in 2009, referees have the power to tackle racist chanting from supporters in a number of ways.
As a first step, they can stop a match and ask for warnings to be made over the public address system.
http://www.bbc.co.uk/sport/0/football/24654499
City midfielder Yaya Toure said he was subjected to racist chanting during his team's 2-1 win in Moscow on Wednesday.
The European football governing body says the case will be dealt with by its disciplinary board on 30 October.
CSKA Moscow consider the racism allegations to be "unfounded".
Uefa is also looking into the setting off of fireworks by home supporters during the match in Russia's capital.
In May, Uefa announced that in the case of racist incidents involving spectators, a partial stadium closure would be applied for the first offence and a full stadium closure for a second, coupled with a fine of 50,000 euros (£42,800).
CSKA's next home game in the Champions League is against Bayern Munich on 27 November, before which they visit Manchester City on 5 November.
Ivory Coast international Toure said he was "furious" and reported the chants to the referee during the game and afterwards.
But CSKA are "surprised and disappointed" by Toure's claims.
A club statement read: "Having carefully studied the video of the game, we found no racist insults from fans of CSKA."
CSKA spokesman Michael Sanadnze told BBC Radio 5 live: "We have nothing to hide, of course, and we have confirmation from the match delegate and the venue director that they themselves didn't hear anything special."
Lord Ouseley, chairman of anti-discrimination body Kick It Out, said the latest incident would "test" Uefa's new sanctions.
He added referee Ovidiu Hategan should not officiate again after failing to follow protocol when Toure reported the incidents to him.
Under guidelines issued by Uefa in 2009, referees have the power to tackle racist chanting from supporters in a number of ways.
As a first step, they can stop a match and ask for warnings to be made over the public address system.
http://www.bbc.co.uk/sport/0/football/24654499
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