NEW YORK – European travel rules are being challenged by an increasing number of U.S. travelers who say they need to travel to the U.K. to visit family or to visit friends.

A group of nearly 100 people who live in New York City filed a lawsuit on Monday against the U to block the U-K.

from imposing a travel ban on citizens of the European Union, as it seeks to do in New Jersey.

They said the new U.A.E. rule would affect more than 4 million Europeans, with a majority of them U.N. employees and tourists.

U.S.-born Americans and citizens from the European countries of Germany, France, Belgium and Spain would be barred from traveling to the United Kingdom.

Under the new rule, any person or entity seeking entry into the U, including Americans, would have to obtain a “national security waiver” from U.B.E., a document that would give them permission to enter the country.

“This will make it nearly impossible for U.M. citizens, U.H. citizens and other visitors from the E.U., as well as many non-EU citizens to travel between the U and the UB,” said John Coughlin, a member of the group of plaintiffs, who also is a lawyer for the International Rescue Committee.

The group is asking the court to issue a temporary restraining order to block any changes to U.R.E.’s rule until the UU has a better understanding of the scope of the ban.

The lawsuit is part of a nationwide effort to block President Donald Trump’s planned ban on people from seven Muslim-majority countries from entering the U of A. The lawsuit is also the latest in a string of legal challenges by the Trump administration, which has argued the ban is necessary to protect the U’s national security.

A spokesman for U-B.C., which represents the U., said in a statement the U has always been committed to freedom of movement.

“The United Kingdom has been a leading destination for American citizens and their families for many years and we continue to be deeply concerned about the threat posed by the entry of people from certain countries into the United States,” the spokesman said.

U-B., which includes U.U.’s largest foreign service agency, said in its statement that it will continue to work with the U for clarity and transparency.

It said it will “vigorously defend the rule” and has a strong track record of challenging the travel ban.

A U.P. spokeswoman for the U said the U will continue “to vigorously defend the travel and immigration rules.”

The U.C.L.A.-based American Civil Liberties Union is also backing the lawsuit.

“There is no question that this is going to be a challenging challenge for UB and its members,” said Amy Goldstein, executive director of the ACLU’s Immigrants’ Rights Project.

The case has drawn a number of prominent lawyers, including U.D. Kaplan, a partner at the law firm DLA Piper, who is representing the U in the case.

“They are going to have to explain this very clearly,” Kaplan said of the U ban.

“We’re going to argue very strongly that this rule is a ban on entry.

It is not an immigration rule, it is not a travel rule.

We think this is a serious violation of the constitutional rights of UB citizens.”