US President Donald Trump addressed the situation on Twitter, warning he could take military action to close the US' border with Mexico to stop the flow of immigrants from Guatemala, Honduras, and El Salvador.
"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!" But that would probably enrage Trump, who appears to see Mexico's responsibility as stopping migrants from reaching the US border by any means.
"That will allow us to have a process by which in our border we will make sure that of serving human rights, respecting global law, if there are legitimate claims to refugee, those can be processed in a very clear way".
Central American migrants hiked from Honduras through muddy jungle and residential streets, some toting babies along with backpacks, Reuters images show.
Trump's threats over immigration came a day before Secretary of State Mike Pompeo is due to travel to Mexico City for meetings with Mexican leaders.
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A spokeswoman for the Saudi Embassy in Washington did not immediately respond to a request for comment about the discussions. Asked whether they said Khashoggi was alive or dead, Pompeo said: "They didn't talk about any of the facts".
"The challenge related to security for our southern border is. a challenge for American sovereignty".
"Mexico's migration policy is for Mexico to decide", he said.
Pompeo is scheduled to meet Fridaywith Peña Nieto and Foreign Minister Luis Videgaray, as well as Lopez Obrador's designated foreign minister, Marcelo Ebrard.
Mexico says it will ask the United Nations refugee office for help with the arrival of several thousand Honduran migrants at its southern border.
U.S. Secretary of State Mike Pompeo lands at Mexico City International Airport on October 18.
While Trump did not make clear what a military deployment at the border might look like, the president did deploy nearly 4,000 National Guard troops to the border in April, as the first caravan approached.
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Mauro Verzzeletti, a priest who runs the Casa del Migrante shelter in the Guatemalan capital, said about 3,000 people slept there overnight and left around 4 a.m.to continue the journey, adding that "more are arriving".
The group of Salvadoreans, Hondurans and Guatemalans say they are fleeing violence and poverty.
"How they're going to cross is what we're anxious about", he said.
Late on Thursday night, a small number of the Honduran group who broke off from the main crowd were able to successfully cross over into Mexico.
"Republicans are fear-mongering about a migrant caravan to boost midterm turnout" said a Salon headline, while CNN noted, "Mother in caravan: Trump has to receive us". The caravan, which is made up of people who would normally make their way separately toward the US border, has been transformed into a political demonstration whose daily movements are followed closely by all the region's major media outlets, along with the US Spanish-language network Univision. "But it becomes much harder when President Trump makes this a political issue in which he bashes Mexico".
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