Adding to pressure on Mexico, U.S. Secretary of State Mike Pompeo arrived in Mexico City to discuss bilateral issues Friday with his Mexican counterparts.
"I must, in the strongest of terms, ask Mexico to stop this onslaught - and if unable to do so I will call up the U.S. Military and CLOSE OUR SOUTHERN BORDER!", President Trump tweeted yesterday.
Migrants exhausted of waiting to cross into Mexico, climb a border bridge fence to jump into the Suchiate River, in Tecun Uman, Guatemala, Friday, Oct. 19, 2018. And what will happen if they do?
"The journey has been very tough, very hard but there's no work in Honduras", 20-year-old Glenda Salvador, a mother of two toddlers, told AFP earlier in the day as the migrants massed in the Guatemalan town of Tecun Uman, close to the bridge.
Typically, when a person manages to sneak into the United States through Mexico - regardless of whether they were from Mexico or some point farther south - they're detained and housed in the United States until their case is decided.
Thousands of migrants rush across the border towards Mexico, in Tecun Uman, Guatemala. President Trump warned this week that he will halt federal aid funding to the two nations if they do not act to stop the exodus. Only about 150 made it to the border crossing at Tijuana, seeking asylum. Those who do so will be held "at a migratory station" for up to 45 business days.
Back on the bridge, police eventually regained order, but the migrants' mission north continues.
The migrants are mostly Hondurans, but others like Salvadoran Jonathan Guzman have joined the caravan en route. Busloads of Mexican federal police were gathering in Ciudad Hidalgo and a Mexican military helicopter flew along the river in anticipation.
He said he had spoken with Honduran President Juan Orlando Hernandez about ensuring the migrants who want to return home can do so safely.
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Beyond that, this situation catches Mexico at a odd time.
In a series of raging tweets, the USA president urged Mexico to "stop this onslaught" and prevent the would-be immigrants from entering the US.
The migrants are fleeing Honduras where they say they have no prospects.
"Mexico's migration policy is for Mexico to decide", he said.
It's also about Mexican emigrants living overseas, many of whom are undocumented.
In a series of tweets Thursday morning, Trump accused the governments of Guatemala, Honduras and El Salvador of allowing a large "caravan" of migrants to proceed towards the United States unchecked, and hit out at the Democratic party for opposing his own brand of tough border control.
Mexican President Enrique Peña Nieto has partnered with the United States in the past on immigration-related issues.
The Associated Press reports that many migrants do not have passports and have been using national ID cards, which allow them to travel within Central America. So that makes any worldwide policy negotiations tricky.
The threat followed another one earlier this week to cut off aid to Central American countries if the migrants weren't stopped. He said this week that Mexico would offer jobs to Central Americans.
"Anyone who wants to work in our country ... will have a work visa", he said.
"Only God on high can stop us", Escobar said.
Mexico's foreign ministry did not respond to a request for comment.
"We're going to rest here and wait for the others who are on their way so we can enter (Mexico) en masse, like we did at Agua Caliente", Edgar Elias, one of the leaders of the caravan, told AFP.