“The abuse directed at Lukaku is one in a long list of incidents in Italian football over the past year and highlights the repeated failure to protect minority players and to tackle what is a systemic issue in Italian football.
“Sundays events have followed a familiar pattern in Italy in which players are abused, the referee fails to protect them and the authorities take insufficient action.
“The response from Cagliari, the Italian FA and Inter Milan ultras has been to deny its significance and take ineffective action.
“Videos circulating on social media show that monkey chants are clearly audible. The Italian FA and Serie A have this footage, it is clear evidence and the basis on which to take action that sends a strong message.
“We believe that dealing with racism should be a priority for the the Italian FA. A plan of action monitored by international governing bodies, UEFA and FIFA is needed. If such a plan is not developed they should face special measures and ultimately suspension.”