Manchester City manager Pep Guardiola fears racism will never be eradicated from football, though says clubs, players, managers and authorities must continue to fight the problem.
The latest in a long line of examples of racism in the game occurred on Sunday, when Antonio Rudiger alleged he was abused during Chelsea's 2-0 Premier League win at Tottenham.
Three separate calls were made over the stadium PA system for fans to stop using racist chants, which were reported to referee Anthony Taylor by Chelsea captain Cesar Azpilicueta.
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On Monday the FA confirmed that they would be launching a full investigation into events in north London, a move that has won the support of both Blues boss Frank Lampard and Spurs' Jose Mourinho.