Lilian Thuram has questioned whether football chiefs will ever back up outraged words with firm actions after Inter striker Romelu Lukaku became the latest player to suffer racist abuse.
World Cup winner Thuram says a culture of white supremacy is the underlying cause of the spate of racist incidents blighting football.
As well as incidents in stadiums, a rising tide of social media abuse of black players has tarnished the glossy image of the modern game.
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Thuram, a black Frenchman born in Guadeloupe, played for 10 years in Italy with Parma and then Juventus.