FIFA World Cup referee Omar Artan has been denied access to the United States of America. Artan, who is from Somalia, was elected as one of Africa's referee representatives in the competition. He was selected as one of the continent's representatives by the Confederation of African Football , having officiated many games in the Africa Cup of Nations . In December, Somalia was one of 12 countries to be labelled as 'high risk' by the US government, who put travel restrictions and entry