UKIP leader Nigel Farage expelled an Italian MEP from a parliamentary group earlier this year after he referred to the Italian government as a "bongo bongo" administration following the appointment of its first black minister.
Mario Borghezio MEP, a member of Italy's right wing Northern League, was formally expelled in June after Mr Farage described his comments as "repugnant".
“We have sent out an unmistakable signal that racist comments are unacceptable,” he is cited as saying.
Mr Farage is co-chairman of the eurosceptic Europe of Freedom and Democracy group in the European Parliament.
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