CSKA Moscow, Cypriot club Apollon Limassol and the Serbian FA have been punished for racist chanting during European matches, Uefa have announced.
CSKA bore the brunt of Uefa's tougher stance on racism, as they have been ordered to play their next European game behind closed doors, or pay a £50,000 fine.
In December their fans were seen brandishing racist and far-right symbols during their match against Viktoria Plzen.
The club has been warned in the past to try and deal with racist behavior in the stands, with recent incidents such as the one involving Yaya Toure becoming commonplace.
CSKA were only asked to partially close their stadium for their next match against Bayern Munich, following the events with Manchester City. But their repeat offences have forced Uefa's hand:
"The punishment reflects the fact that CSKA have previous records of racist behaviour by supporters." Uefa said on their official website.
The Serbian FA has also been punished for the behavior of their fans during U-21 matches.
"The sections of the stadium designated for home fans will be closed for Serbia's next Uefa European Under-21 Championship home game as a punishment for monkey chants heard by the assistant referee during the 2-2 qualifying Group 9 draw against Belgium on 15 November 2013."
They will forced to display the 'No to Racism' banner at their next match. Many England Under-21 players also experienced racial abuse during their fixture against Serbia in 2012.
Cypriots, Apollon will also face a partial stadium closure after their fans "directed monkey chants at Legia Warszawa's Dossa Júnior during their 2-0 UEFA Europa League Group J home defeat on 12 December."
Uefa added: "The fight against racism is a high priority for UEFA. The European governing body has a zero-tolerance policy towards racism and discrimination on the pitch and in the stands. All forms of racist behaviour are considered serious offences against the disciplinary regulations and are punished with the most severe sanctions."
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