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.

Naser Zazai, 29, had planned to reunite with his mother and brother in the United States this week after fleeing Afghanistan, where he says he was threatened and attacked because his brother had once worked for the U.

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.