Mexico’s Interior Minster Olga Sánchez Cordero sounded the alarm Wednesday about a new caravan, dubbed “Caravana Madre” (Mother of All Caravans), forming in Honduras that could swell to 20,000 migrants trying to enter the United States after crossing Mexico. Mexico will reportedly change its visa policy to try keep migrants from traveling north through the country, but will not militarize the border to stop the migrants.

Screen image from Trump campaign ad, 2018.

Mexico's Interior Minister: •MX will deploy measures at the Isthmus of Tehuantepec (migratory stations/police) to “contain” CentralAm migrants •”We cant have hundreds of thousands of migrants transiting through MX reaching the Northern border (with/US)”pic.twitter.com/iARXP1JNqw — José Díaz-Briseño (@diazbriseno) March 27, 2019

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Without actually saying how will Mexico respond to it, Sánchez Cordero warned today about the “mother of all caravans” forming in Honduras https://t.co/GzzZZLWbHp — José Díaz-Briseño (@diazbriseno) March 28, 2019

@M_OlgaSCordero announces that MX will no longer give large numbers of humanitarian visas to migrants crossing through the country. Says MX will continue to give worker / tourist visas that keep migrants in southern Mexico and enforce migratory laws for those traveling north. https://t.co/lZRlKxBt7i — Stephanie Leutert (@Sleutert) March 28, 2019

El Economista reported (via Google Translate):

Mexico is preparing to face the problem of mass migration, before the so-called “Caravan Mother”, which is being formed in Honduras with a contingent that is estimated could reach more than 20,000 people. The Secretary of the Interior, Olga Sánchez Cordero, explained the above in the framework of the XXXII National Legal and Fiscal Consultation for Churches and Religious Associations, organized by the National Confraternity of Evangelical Christian Churches (Cofraternice). In an interview with the media, the federal official explained that this was one of the central issues that she addressed in her meeting with the Secretary of National Security of the United States, Kisrstjen Nielsen. …Currently, it is known that at least 2,400 people have joined a new caravan and that in Honduras they are preparing for what they have called the “Caravan Mother”, with 20,000 migrants. If this situation continues, Sánchez Cordero explained, at the end of the year there would be close to 900,000 migrants crossing to the United States, which represents a complex situation for Mexico because it is a transit country.

ABC Noticias reported Sánchez Cordero is asking countries in the Northern Triangle–Honduras, Guatemala and El Salvador– to stop the caravan (via translation.)

The Secretary of the Interior, Olga Sanchez Cordero, warned that a “Mother Caravan” is being organized in Honduras and therefore demanded that the governments of the so-called Northern Triangle do their part to stop this movement.

TV Aztecas Noticias reported (via translation) the government will not militarize the border.

Meanwhile, our country will create containment actions in the Isthmus of Tehuantepec, with facilities of the Federal Police, Civil Protection and other government agencies; and grant temporary permits for visitors and work in the southeast of the country. Sánchez Cordero reiterated that Mexico will not militarize the southern border; but neither will it continue to grant massive humanitarian visas; detailed that the entry of migrants should be ordered and there will be background checks on each of them.

Meanwhile, even without the mother of all caravans, the U.S. southern border is being overrun by tens of thousands of migrants every month such that Border Patrol is reporting they are now at the breaking point.