Central American migrants, part of a new 'migrant caravan', are given food by a Mexican immigration official while standing on the international border bridge between Guatemala and Mexico to wait for humanitarian visas on January 18, 2019 in Ciudad Hidalgo, Mexico
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US immigration authorities detail so-called return-to-Mexico guidance for migrants
The Trump administration officially laid out its new policy to force migrants seeking asylum in the United States to remain Mexico to await their immigration court proceedings -- a significant change in US asylum policy.

