Central American immigrants take part in a caravan heading to the United States on the road linking Ciudad Hidalgo and Tapachula, Mexico, on October 21, 2018. #

On October 13, 2018, a large group of Hondurans fleeing poverty and violence move in a caravan toward the United States in San Pedro Sula, Honduras. #

On October 16, 2018, Honduran immigrants, some of more than 1,500 people in a caravan, travel north near Quezaltepeque, Guatemala. #

Honduran immigrants heading to the United States take a rest at a gas station in Zacapa, Guatemala, on October 16, 2018. #

Honduran immigrants pray in an improvised shelter in Chiquimula, Guatemala, on October 16, 2018. #

Honduran immigrants hike in the forest after crossing the Lempa River in Guatemala on October 17, 2018. #

Honduran immigrants walking to the U.S. start their day departing Chiquimula, Guatemala, on October 17, 2018. #

A Honduran immigrant girl and her family, part of the caravan, travel in a pickup truck in Guatemala City on October 17, 2018. #

Honduran immigrants attempt to cross the Goascorán River and illegally enter El Salvador in Goascorán, Honduras, on October 18, 2018. #

People in an immigrant caravan make their way through Guatemala toward the border with Mexico on October 18, 2018, in Siquinalá, Guatemala. #

Honduran immigrants headed for the United States gesture at the El Amatillo border in Pasaquina, El Salvador, on October 18, 2018. #

A Honduran immigrant headed for the U.S. rests at the El Amatillo frontier in Pasaquina, El Salvador, on October 18, 2018. #

Honduran immigrants ride on top of a truck headed toward Tecún Umán on the border with Mexico in Coatepeque, Guatemala, on October 19, 2018. #

Honduran immigrants storm a border checkpoint to cross into Mexico in Tecún Umán, Guatemala, on October 19, 2018. #

Central American immigrants storm a border checkpoint in Guatemala in Ciudad Hidalgo, Mexico, on October 19, 2018. #

Honduran immigrants climb the gate of the Guatemala-Mexico international-border bridge in Ciudad Hidalgo on October 19, 2018. #

A Honduran immigrant protects his child after others, part of a caravan trying to reach the U.S., stormed a border checkpoint in Ciudad Hidalgo on October 19, 2018. #

Immigrants bound for the U.S.-Mexico border wait on a bridge that stretches over the Suchiate River, connecting Guatemala and Mexico, on October 19, 2018. #

A Honduran immigrant jumps from the bridge that connects Mexico and Guatemala to avoid the border checkpoint in Ciudad Hidalgo on October 19, 2018. #

Honduran immigrants cross the Suchiate River, the border between Guatemala and Mexico, in makeshift rafts in Ciudad Tecún Umán, Guatemala, on October 20, 2018. #

Honduran immigrants help a man holding a child get down to the Suchiate River from the Guatemala-Mexico international-border bridge on October 20, 2018. #

A Honduran immigrant rests in a tent at the International Mesoamerican Fair's venue in Tapachula, Mexico, on October 22, 2018. #

Honduran immigrants walk in Metapa on their way to Tapachula, Mexico, on October 22, 2018. #

An aerial view of Honduran immigrants heading in a caravan toward the United States in Tapachula, Mexico, on October 22, 2018. #