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.

“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)

The initial blow came with the end of CBP One, stranding thousands of asylum seekers with and without appointments

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.

Donald Trump won the election largely on the promise of cracking down on border crossings. When he takes office next week, he will be inheriting a quiet border, with crossings plummeting for the past few months.

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.

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.

Outside the white gates that secure the entry to this Tijuana customs facility, a steppingstone to U.S. soil, migrants sat on a sidewalk in quiet disbelief this

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.

Migrants waiting to enter the United States via its southern border are in distress following U.S. President Donald Trump's sweeping decision to suspend asylum claims after returning to the White House.