Inter head coach Antonio Conte believes Italian football's "hate" culture has worsened since he returned to Serie A.
Cagliari fans subjected Inter striker Romelu Lukaku to monkey chants before he took a penalty when the sides met in Serie A on September 2.
On Monday Italian television station TopCalcio24 dropped pundit Luciano Passirani and apologised after he made a racist comment about Lukaku.
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Conte resumed his management career in his homeland when he joined Inter in May following two seasons in the Premier League with Chelsea.