Tijuana declares ‘humanitarian crisis’ over migrant caravan

A U.S. Customs and Border Protection Special Response Team officer walks along a border fence, with the Monumental Arch in Tijuana in the background, in San Diego on Nov. 25, 2018.

A migrant runs from tear gas launched by U.S. agents, amid members of the press covering the Mexico-U.S. border, after a group of migrants got past Mexican police at the Chaparral crossing in Tijuana on Nov. 25, 2018.

Migrants run from tear gas launched by U.S. agents, amid members of the press, at the top of a riverbank at the Mexico-U.S. border after a group of migrants pushed past Mexican police at the Chaparral crossing in Tijuana on Nov. 25, 2018.

Central American migrants are stopped by Mexican police as they reach El Chaparral border crossing in Tijuana on Nov. 25, 2018.

A group of people try to cross El Chaparral border crossing in Tijuana on Nov. 25. A group of migrants from the caravan of Central Americans who advanced toward the San Ysidro gateway deviated from the planned route to try to cross the border wall by other points Sunday, while the U.S. border police released tear gas.

A group of Central American migrants -- mostly Hondurans -- climb the border fence between Mexico and the United States near El Chaparral border crossing in Tijuana on Nov. 25.

Central American migrants, mostly from Honduras, hold candles during a night prayer outside a temporary shelter in Tijuana near the U.S.-Mexico border on Nov. 24.

U.S. military personnel and Border Patrol agents secure the U.S.-Mexico border on Nov. 25 at the San Ysidro border crossing point south of San Diego. U.S. officials closed a border crossing Sunday after hundreds of migrants tried to breach a border fence from the Mexican city of Tijuana, U.S. authorities announced.

Mexican police spread out as they try to keep migrants from getting past the Chaparral border crossing in Tijuana on Nov. 25.

A group of Central American migrants, mostly Hondurans, climb the border fence between Mexico and the U.S. near El Chaparral border crossing in Tijuana on Nov. 25.

A group of Central American migrants, mostly Hondurans, climb the border fence between Mexico and the United States as others try to bring it down near the Chaparral border crossing in Tijuana on Nov. 25. An AFP photographer said the migrants broke away from a peaceful march at a border bridge and tried to climb over a metal border barrier in the attempt to enter the United States.

A Central American migrant climbs the border fence between Mexico and the United States near the Chaparral border crossing in Tijuana on Nov. 25. Hundreds of migrants attempted to storm a border fence separating Mexico from the U.S. on Sunday amid mounting fears they will be kept in Mexico while their applications for a asylum are processed.

A group of Central American migrants, mostly from Honduras, cross the almost dry riverbed of the Tijuana River in an attempt to get to the Chaparral port of entry in Tijuana near the U.S.-Mexico border on Nov. 25.