Such vocal behaviour was eventually deemed to be racially offensive by the Football Association , and the former English manager Sven - Göran Eriksson asked fans to refrain from it at the 2006 FIFA World Cup in Germany , O'Neill , Sean .
Such vocal behaviour was eventually deemed to be racially offensive by The Football Association . 
 In December 2005 , Sven - Göran Eriksson , the then manager , asked fans to refrain from it at the 2006 FIFA World Cup in Germany , O'Neill , Sean .