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.

U.S. Customs and Border Protection announced Monday that the CBP One app that worked as recently as that morning would no longer be used to admit migrants. Tens of thousands of appointments were canceled.

A wide-ranging series of steps President Donald Trump has promised to beef up security at the southern border is beginning to take effect.

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

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President Donald Trump has signed 10 executive orders on immigration and issued a slew of edicts to carry out promises of mass deportations and border security.

US President Donald Trump has said he could arm 88,000 Internal Revenue Service agents and send them to guard the country’s southern border.

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.

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.

“We will be responsive, accountable, open and honest and rebuild trust within this community. Our momentum is great, but we must keep running up the score to make sure that Dallas is at the top of the leaderboard, which is where we belong.” — Kimberly Bizor Tolbert, who was named Dallas' city manager. (Thursday, The Dallas Morning News)