Hundreds of thousands of migrants lost scheduled appointments after CBP One app was disabled, creating uncertainty at the US-Mexico border.

Outside Tijuana's customs facility and its coveted access to U.S. soil, migrants sat in disbelief this week, their futures feeling much darker and uncertain.

Maria Mercado, who is from Colombia but arrived from Ecuador, gets emotional as she sees that her 1pm appointment was canceled on the U.S. Customs and Border Protection (CBP) One app, as she and her family wait at the border crossing in Tijuana, Mexico on Monday, Jan. 20. 2025. (AP Photo/Gregory Bull)

WASHINGTON (AP) — President Donald Trump’s promises to beef up security at the southern border with Mexico began taking effect soon after he was inaugurated Monday, making good on his defining political promise to crack down on immigration and marking another wild swing in White House policy on the divisive issue.

The CBP One app went offline as President Donald Trump returned to power. The move is likely a precursor to Trump's immigration policies.

Two sisters from Colombia who waited years to be allowed into the United States expressed frustration with those who "just cross the border for free."

Migrants in Mexico who were hoping to come to the U.S. are adjusting to a new and uncertain reality after President Donald Trump began cracking down on border security.

Workers handled beef in Avellaneda in the province of Buenos Aires, Argentina. People cooled off in Arpoador beach in Rio de Janeiro.

A series of wildfires has burned thousands of hectares in Baja California, leaving at least one dead and 30 houses destroyed. Due to strong winds and adverse weather conditions, the flames have caused mass evacuations in the municipalities of Tijuana and Tecate.

Advocates say Trump entered office for his second term more prepared to implement hardline immigration policies.

Outside the white gates that secure the entry to this Tijuana customs facility, a steppingstone to US soil, migrants sat on a sidewalk in quiet disbelief this week, their futures suddenly feeling much darker and clouded in uncertainty.

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