Several migrants said they had recently arrived in Ciudad Juarez, Mexico after weeks of travel, only to find their CBP One appointments were cancelled.

SAN DIEGO — Migrants waiting to enter the US using former Joe Biden’s CBP One app broke down in tears after their appointments were canceled the moment President Trump took office Monday – just the first of the sweeping border actions the new administration prepared for the first day.

The migrants at El Buen Samaritano shelter had waited months to enter the United States through the CBP One app. Now they are stuck in Mexico.

Migrants who waited months to cross the U.S. border with Mexico learned their CBP One appointments had been canceled moments after Donald Trump was sworn in as president.

ATOTONILCO DE TULA, Mexico — When Dayana Castro heard that the U.S. asylum appointment she waited over a year for was canceled in an instant, she had no doubt: She was heading north any way she could.

The Trump administration has ended use of the border app called CBP One that allowed nearly 1 million people to legally enter the United States.

Mexican authorities are building temporary shelters in Ciudad Juarez and other cities to prepare to receive nationals deported from the U.S. by President Donald Trump.

This gallery highlights some of the most compelling images made or published in the past week by The Associated Press from Latin America and the Caribbean. The selection was curated by AP photographer Esteban Félix,

The president's scorched earth response comes after Colombia pledged to only accept flights when the U.S. creates a protocol that treats migrants with dignity.

Robert F. Kennedy Jr. — Trump’s controversial pick to serve as Health and Human Services secretary — will face a confirmation hearing in front of the Senate Finance Committee. Kennedy will sit before the Senate Health, Education, Labor and Pensions Committee the following day.

Migrants allowed into the U.S. temporarily under certain Biden administration programs can be quickly expelled, according to a memo sent by the Trump administration's acting secretary of homeland security.

Although monthly migrant crossings along the US-Mexico border have dropped by about half to two-thirds in the past six months, US President Donald Trump declared a "national emergency" on the border on his first day back in office.