In Mexico City, some migrants have built tent cities and slept on the streets. In a country long sympathetic to migrants, neighbors are protesting.

Nidia Montenegro fled violence and poverty at home in Venezuela, survived a kidnapping as she traveled north into Mexico, and made it to the border city of Tijuana on Sunday for a U.S. asylum appointment that would finally reunite her with her son living in New York.

Migrants in Mexico who were hoping to go to the U.S. are adjusting to a new reality after President Donald Trump began a border crackdown last week.