The refusal of US immigration authorities to allow Somali referee Omar Artan, one of Africa's leading match officials, into the country underlined fears that US President Donald Trump's immigration policy could leave deep scars on the tournament.

Paul Gascoigne said on Wednesday he hopes England can reproduce the same "unbelievable" team spirit as the squad at the 1990 World Cup during their quest for glory at this year's tournament.

Somali referee Omar Artan, who was denied entry to the United States for the World Cup, returned to a hero's welcome in Mogadishu and vowed to take part in the next tournament in 2030.

Despite the many plots provided by sport's biggest tournament, one record remains unbroken: a foreign coach has never won the World Cup.

Lionel Messi stepped onto the stage. The Golden Ball was placed in his hands -- the award for the tournament’s best player. He had received it before, in 2014. But this was different.

The head of the White House Task Force for the World Cup on Tuesday defended the decision not to grant visas to a Somali referee and some support staff for the Iranian team.

FIFA President Gianni Infantino warned Los Angeles on Tuesday that it was about to be invaded by soccer fans from around the world, as he helped launch World Cup festivities at a star-studded kickoff party at Los Angeles Memorial Coliseum.

Bukayo Saka is still recovering from an Achilles injury and needs to be carefully managed ahead of the World Cup, England manager Thomas Tuchel said.

Brazil's all-time record scorer is said to be "recovering well" and will hope to play a part for Carlo Ancelotti's side in the United States.

Messi started on the bench as the eight-time Ballon d'Or winner is eased back to fitness after exiting Inter Miami's 6-4 win over Philadelphia with muscle fatigue on May 24.

With a revamped format and an increased number of participating teams, the tournament is shaping up to be an unprecedented mega-spectacle.

Brazilian referee Wilton Sampaio will take charge of the opening match of the FIFA World Cup between Mexico and South Africa, leading a three-man Brazil team for the curtain-raiser in Mexico City.

Iran's football federation on Tuesday said the United States has revoked its allocation of tickets for its World Cup group games.

The embassy highlighted several surprising commonalities between the two countries to build a case for why Bangladeshis should adopt Norway as their second team.

Scotland captain Andy Robertson said he will be playing for former Liverpool teammate Diogo Jota at the World Cup after receiving a letter from the late Portuguese forward's widow ahead of the tournament.

World Cup fever was evident around the stadium, where Spain shirts dominated the stands alongside Barcelona jerseys, reflecting the club's strong representation in Luis de la Fuente's squad.

Brazil's all-time record scorer underwent an MRI scan on Monday which showed he is "making good progress in his treatment" amid hopes that he will be able to play a part for Carlo Ancelotti's side in the United States.

Brazil star Bruno Guimaraes insisted Monday his team should get "the respect they deserve" as they get ready to kick off their bid to win a record-extending sixth World Cup.

Award-winning Somali referee Omar Artan, set to be the first from his country to officiate at the World Cup finals, was denied entry to the United States, a sports ministry official told AFP on Monday.

The 35-year-old stopper Kim Seung-gyu is hoping to add to his 86 caps when South Korea face the Czech Republic on Thursday's opening day of the tournament in North America. But it has come at a personal price, missing the birth of his daughter.