Many remain determined to reach the U.S. through more dangerous means, riding freight trains, hiring smugglers and dodging authorities.

Mexico's president said on Wednesday she has not agreed to accept non-Mexican migrants seeking asylum in the United States, a day after her new U.S. counterpart announced the return of a program to do so.

Thousands of migrants are now in limbo at the U.S.-Mexico border after President Trump shut down the main legal channel for asylum seekers to enter the country. Many had waited months for immigration appointments,