Fans were warned three times about racist behaviour at Tottenham's Premier League match against Chelsea.
Chelsea defender Antonio Rudiger appeared to report racist chanting from Spurs fans in about the 63rd minute.
Spurs forward Heung-min Son was sent off for violent conduct against Rudiger shortly beforehand.
Later, in the 80th minute, referee Anthony Taylor brought both sides' captains together after Rudiger gestured that he was continuing to be abused.
Supporters were warned: "Racist behaviour among spectators is interfering with the game."
They were also told: "Please remember that there is no room for racism in football."
Taylor implemented FIFA's protocol for dealing with discrimination in games.
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Tottenham manager Jose Mourinho told Sky Sports he "saw nothing".
He added: "I saw the referee follow the protocol – he came to Andre Marriner (fourth official), he cameRead More – Source