Two more European countries are warning travelers about the U.S.
"We are worried that people could be stopped at the airport," a government official says.

Amid the Trump administration's efforts to ramp up deportations and wider anti-immigrant crackdown, multiple nations have amped up their warnings for U.S.-bound citizens.
On March 19, the German Ministry sent out a warning saying that "false information regarding the purpose of stay or even a slight overstay of the visa upon entry or exit can lead to arrest, detention, and deportation upon entry or exit" while Global Affairs Canada also reminded Canadians that the "decision to travel is the sole responsibility of the traveller."
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Denmark becomes latest to warn tourists about U.S. travel
Denmark, which is currently in the midst of separate escalating tensions over Trump's repeated threats to annex Greenland and Second Lady Usha Vance's upcoming visit to the autonomous territory in the North Atlantic Ocean this March, became the latest country to issue new U.S. travel guidance.
The advisory focuses on LGBTQ individuals and those who have the neither male nor female X markers in their passports; immediately after being inaugurated on Jan. 20, Trump signed an executive order saying that the U.S. government only recognizes two biological sexes.
Related: Britain becomes latest to warn tourists about U.S. travel
"If you have the gender X in your passport, or if you have changed gender, you are advised to contact the U.S. embassy before you travel for information about what applies to you," Denmark's Foreign Ministry said in a statement to AFP.
Susanne Branner Jespersen, the head of the country's LGBT+ Danmark association, went one step further and expressed concern that LGBTQ individuals could be subject to "inappropriate and uncomfortable" situations at the border.
'We are worried that people could be stopped at the airport'
"We are worried that people could be stopped at the airport and refused entry, or that something inappropriate and uncomfortable could happen at the airport," said Susanne Branner Jespersen of LGBT+ Danmark.
More on travel:
- Trump starts presidency with three executive orders affecting travel
- Government issues new travel advisory on popular beach destination
- Another country just issued a new visa requirement for visitors
Fellow Nordic country Finland has also drawn attention to Trump's executive order. While the country only issues male and female markers for its passports, the Finnish Ministry of Foreign Affairs told citizens that if their gender marker is different from what was assigned at birth or on any official document, they could face potential problems at the border.
"If the applicant's current sex on their passport is different from their sex confirmed at birth, the U.S. authorities may refuse entry," the ministry's page for the United States that was updated in mid-March now reads.
The two Nordic countries have followed fellow European countries such as Germany, which updated its guidance after 34-year-old national Fabian Schmidt was detained at Boston's Logan Airport after coming back from visiting family on March 7.
Despite the fact that he held a valid green card and has been living in the U.S. since 2008, Schmidt is presently still being held in immigration detention while CBP has not issued a statement on the cause of it.
"A criminal conviction in the United States, false information regarding the purpose of stay, or even a slight overstay of the visa upon entry or exit can lead to arrest, detention, and deportation upon entry or exit," the German ministry's page for travel to the U.S. now explicitly states.
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