A female migrant carrying a child moves away from Mexican National Guards blocking the passage of a group of migrants near Tapachula, Mexico. Hundreds of Central American migrants ...
AP/PTI
Central American migrants cross the Suchiate River from Tecun Uman, Guatemala, to Mexico. Migrants hoping to reach the United States marooned in Guatemala waded en masse across a r...
AP/PTI
Migrant youth fight over cigarettes on the Mexican side of the Suchiate River near Ciudad Hidalgo, Mexico, on the border with Guatemala. Some Central American migrants are stranded...
AP Photo/Marco Ugarte
A Mexican National Guard detains a Central American migrant after he crossed the Suchiate River with a group of migrants from Guatemala into Mexico near Ciudad Hidalgo, Mexico.
AP Photo/Marco Ugarte
Central American migrants carry children as they run across the Suchiate River from Guatemala to Mexico, near Ciudad Hidalgo, Mexico.
AP Photo/Santiago Billy
Central American migrants cross the Suchiate River by foot from Tecun Uman, Guatemala, to Mexico.
AP Photo/Moises Castillo
Migrants gather at the bridge spanning the Suchiate River in Tecun Uman, Guatemala at the border with Mexico.
AP Photo/Santiago Billy
Migrants sit at the bridge spanning the Suchiate River in Tecun Uman, Guatemala. More than a thousand Central American migrants hoping to reach United States marooned in Guatemala ...
AP/PTI
Migrants from Central America, the Caribbean, South America, and Africa line up for a meal donated by volunteers from the U.S., at the foot of the Puerta Mexico bridge that crosses...
AP Photo/Rebecca Blackwell
Central American migrants gather on top of a parked freight train, some sleeping, during their journey toward the US-Mexico border, in Arriaga, Chiapas state, Mexico, at sunrise. H...
AP Photo/Moises Castillo
Central American migrants cram into a freight train during their journey toward the U.S.-Mexico border, in Ixtepec, Oaxaca State, Mexico. "They're riding the train again, that's a ...
AP Photo/Moises Castillo
Central American migrants ride atop a freight train during their journey toward the U.S.-Mexico border, in Ixtepec, Oaxaca State, Mexico. The once large caravan of about 3,000 peop...
AP Photo/Moises Castillo
A Honduran migrant shows a processing bracelet given by the Mexican migration authorities in Ciudad Hidalgo, Chiapas State, Mexico. Hundreds of Central American migrants are walkin...
AP/PTI
Honduran migrants walk along the roadside through Esquipulas, Guatemala, as they make their way toward the U.S. border. The latest caravan of Honduran migrants hoping to reach the ...
AP/PTI
U.S.-bound migrants walk along the roadside as they leave San Pedro Sula, Honduras, at dawn. Yet another caravan of Central American migrants set out overnight from Honduras, seeki...
AP/PTI Photo
Migrants run as tear gas is thrown by U.S. Border Protection officers to the Mexican side of the border fence after they climbed the fence to get to San Diego, Calif., from Tijuana...
AP Photo/Daniel Ochoa de Olza
A migrant jumps the border fence to get into the U.S. side to San Diego, California, from Tijuana, Mexico.
AP Photo/Daniel Ochoa de Olza
A U.S. Border Protection officer stands under the rain as he watches the border fence between the U.S. side and San Diego, California, from Tijuana, Mexico. Discouraged by the long...
AP Photo/Daniel Ochoa de Olza
Migrants looks for a place to jump the border fence to get into the U.S. side to San Diego, California, from Tijuana, Mexico. Discouraged by the long wait to apply for asylum throu...
AP Photo/Daniel Ochoa de Olza
A migrant family from Honduras climb over the border fence inside the United States from Tijuana, Mexico, in the presence of the border patrol. Discouraged by the long wait to appl...
The dramatic shutdown took place only three days after Trump threatened to close the 'whole border' with Mexico if 'it gets to a level where we are going to lose control or people are going to start getting hurt.'