David Cameron has called a summit at Downing Street to tackle the issue of discrimination and racism in football.

Former Chelsea player Paul Elliott told the Today programme's James Naughtie that "football mirrored the ugliness in society" of the 70s and 80s but a collaborative approach to stamp out racism has worked to significantly improve the situation.

There were now, however, "new challenges" to face, including homophobia, he said.

But Guardian writer Deborah Orr was more sceptical, saying that football has been "trailing behind" society in dealing with racism.

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