A Somali referee, Omar Artan, will miss the World Cup due to being prohibited from entering the United States. He was set to become the first referee from his country to participate in the event. Further information about this situation can be found through El País.

The details of the prohibition and its implications are not specified here, but more context is available from the source. It is known that Omar Artan's participation in the World Cup would have been a significant milestone for Somalia, marking the first time a referee from the country would have been involved in the tournament.