Her office later issued a statement saying: "There is no agreement of any type between the future federal government of Mexico and that of the United States of America".
In a Twitter message on Saturday, President Trump reiterated threats to close the southern border - threats that have alarmed many in Mexico, since cross-border trade is a mainstay of the Mexican economy.
"We do not have the necessary and sufficient infrastructure to fully attend to these people to give them a decent space", Gastelum said at a press conference, adding that he will not pay for the migrants' stay in the city with the money intended for the locals.
Some Central American migrants, mostly men, tried to breach the border crossing between Tijuana, Mexico, and California on Sunday, after pushing past a blockade of Mexican police standing guard near the global border crossing in a bid to pressure the U.S to hear their asylum claims. "No "Releasing" into the US", Trump said in a tweet late Saturday.
Mexico's incoming foreign minister has said discussions on how to deal with migrants travelling to the United States are continuing despite reports a deal has been reached.
The Post had quoted Sanchez herself as saying the administration of Mexico's President-elect Andrés Manuel López Obrador, who will take office on December 1, had "for now" agreed to the so-called "Remain in Mexico" plan.
The president took to Twitter a day after reports that his administration has struck a deal with Mexico's incoming government that would mean Washington could use Mexico as, essentially, an ante-room for thousands of asylum seekers seeking to enter the U.S. "All will stay in Mexico", the president wrote.
All border crossings have been halted as hundreds of caravan migrants are trying to breach a Mexico-US border fence.
The mayor of Tijuana blasted the government for leaving the city helpless as it struggles to cover the needs of some 5,000 caravan migrants. Many hope to apply for asylum in the US, but agents at the San Ysidro entry point are processing fewer than 100 asylum petitions a day. It said that 1,906 of them were members of the recent caravans.
"They will also give us dates, on what terms they will receive the (asylum) requests and in the case that they are not beneficiaries of this status, they will have to return here", Vences said.
Earlier on Friday, a 31-year-old Honduran man accused of illegally entering the United States climbed a tree to try to escape Border Patrol agents near Yuma, Arizona, then set fire to the tree and hurled rocks at agents, reported the U.S. Customs and Border Protection agency.
Last week a United States federal judge temporarily blocked the Trump administration from denying asylum to people who enter the country illegally.
Gunman dead and two hurt in Alabama mall shooting
We are working closely with the Hoover Police Department and are grateful for their swift action to contain the situation. The injured teen was transported to UAE for treatment, where he remains in serious condition, according to authorities.
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