The U.S. and Mexico are working on a plan to stop migrants heading for the U.S. from approaching the Mexican border via Central America. The plan is coming together under a threat of progressive tariffs President Trump is threatening to levy if Mexico doesn’t stop the massive caravans traversing through their country to get to America.

Mexico would send 6,000 national guard troops in a show of force it said would stem the number of migrants crossing into the country, The Washington Post reported Thursday. The officials are also considering a change to asylum rules that would force people from Central America to seek refuge in the first foreign country they enter after leaving their homeland, the report said.

Explaines the Washington Post,

The plan, a sweeping overhaul of asylum rules across the region, would require Central American migrants to seek refuge in the first country they enter after leaving their homeland, the two officials said. For Guatemalans, that would be Mexico. For migrants from Honduras and El Salvador, that would be Guatemala, whose government held talks last week with acting Homeland Security secretary Kevin McAleenan. Any migrants who made it to the U.S. border generally would be deported to the appropriate third country. And any migrants who express a fear of death or torture in their home country would be subjected to a tougher screening standard by U.S. asylum officers more likely to result in rejection.

The anonymous source”expressed optimism” that the deal was attainable as long as Trump didn’t go through with his tariff threat. Whatever agreements are reached, there will be legal challenges from the left.

“Any change to the asylum system that does not provide the safeguards required by domestic and international laws will not survive a legal challenge,” said Lee Gelernt, an attorney with the American Civil Liberties Union.

The latest numbers released from the Border Patrol show that in May, more than 144,000 migrants were taken into custody, a massive 32 percent jump from April. Not only that, May was the third month in a row that detentions reached more than 100,000. The May numbers are the highest in 13-years.

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