Frenchman Bouzou also claimed the organisation had "specific concerns" over the impact Trump’s travel ban could have "on certain athletes who may be restricted in their ability to train and compete in the United States over the next three months".

This comes despite assurances from the American Government, who have vowed to work with the United States Olympic Committee (USOC) to grant "expedited access" to allow athletes to compete in the US.

Taekwondo player Meisam Rafiei had claimed he has been denied entry to the country for the US Open, due to begin in Las Vegas today.

The USOC today announced Rafiei had been "cleared to travel and participate in Las Vegas".

The USOC also said they were "pleased to have successfully resolved this situation and look forward to continued collaboration with the Government to ensure that athletes from around the world are free to compete in the US".

"Like many across the world, the WOA is concerned about the impact of the recent Executive Order on immigration signed by President Trump," Bouzou said in a statement.

"We note today’s statement from the USOC providing assurance that athletes will be able to visit and compete in the United States but we urge the relevant US authorities to urgently put in place a formal resolution to ensure the right of athletes to compete and train in the USA is properly protected."

Trump’s executive order, signed on Friday (January 27), prohibits citizens from seven Muslim-majority countries - Iran, Iraq, Libya, Somalia, Sudan, Syria and Yemen - from being granted entry to the US for a 90-day period.

The move also bans Syrian refugees indefinitely, while refugees from all nationalities worldwide will not be able to travel to the US for 120 days.

Although it is not yet clear how extensive the restrictions, currently only a 90-day temporary measure, will be, the executive order has still sparked concern across the world.

The sporting world is still coming to terms with the decision, which has led to large protests being held in the US, particularly at airports where people from the affected countries were detained when the order was signed.

I am a #ProudRefugee. pic.twitter.com/4aeMY98vaJ

— Luol Deng (@LuolDeng9) January 30, 2017

It has prompted criticism from sporting figures such as Britain’s four-time Olympic gold medallist Sir Mo Farah, while basketball star Luol Deng, who plays for National Basketball Association (NBA) team the LA Lakers, has also denounced Trump for the executive order.

Deng fled to Britain as a child from what is now South Sudan and said in a post on Twitter that he was a "proud refugee".

The NBA had announced they were seeking to consult with the State Department to ascertain the impact on travel for Deng and Milwaukee Bucks’ Thon Maker, who was also born in South Sudan.

Maker moved to Uganda when he was five and then sought refuge in Australia.

"For the people of South Sudan, refugee resettlement has saved countless lives, just as it has for families all over the world escaping the depths of despair," Deng, who represented Britain at the London 2012 Olympics, said.

"Refugees overcome immeasurable odds, relocate across the globe and work hard to make the best of their newfound home.

"Refugees are productive members of society that want for their family just as you want for yours.

“I stand by all refugees and migrants, of all religions, just as I stand by the policies which have historically welcomed them.”

Masai Ujiri, President of the Toronto Raptors NBA team, described the ban initiated by Trump as "ridiculous" and "mind-boggling",.

Detroit Pistons coach Stan van Gundy told the Detroit News the country was now "getting back to the days of putting the Japanese in relocation camps, of Hitler registering the Jews".

Tom Jordan, meet director of the Prefontaine Classic in Eugene, considered one of the top invitational athletics events, labelled the executive order as a "ludicrous decision" in an interview with Oregon Live.