With only two dissenters, Justices Ruth Bader Ginsburg and Sonia Sotomayer, this opens the door for the rule to be applied across the nation.
Acting Homeland Security Secretary Kevin McAleenan added, "Until Congress can act, this interim rule will help reduce a major "pull" factor driving irregular migration to the United States and enable DHS and DOJ to more quickly and efficiently process cases originating from the southern border, leading to fewer individuals transiting through Mexico on a risky journey".
The Trump administration says the policy is created to address deficiencies in an immigration system in which immigrants often pass initial asylum screening but fail to win final approval.More news: Mugabe body being flown to Zimbabwe, burial place undecided
Earlier this week, Foreign Minister Marcelo Ebrard reiterated that Mexico would not become a "third country" for US-bound asylum seekers.
The Trump administration first announced the new rules July 15 and was met with swift legal challenges from immigrant advocacy groups.
The president praised the decision, tweeting Wednesday night, "BIG United States Supreme Court WIN for the Border on Asylum!".
The Supreme Court on Wednesday cleared the way for President Trump and his administration to enforce a ban on almost all asylum seekers arriving at the southern border. The 9th Circuit again narrowed his get on Tuesday.
In her dissent, Sotomayor criticized both the implementation of the new regulation and the majority for ruling before the 9th Circuit could fully resolve the government's emergency request to put the district court's injunction on hold.More news: Teen stole parents' money to fund alleged plot to kill them
Eight days after the rule went into effect in July, California-based US District Judge Jon Tigar issued a nationwide injunction blocking it.
The rule change means they would fail had they not claimed asylum in another country they had first passed through.
Facing a surge in asylum claims by Central American and other migrants who have been crossing the southern U.S. border in record numbers, the Trump administration has been desperate to clamp down.
For example, thousands of people are waiting on lists at border crossings in Mexico to claim asylum in the U.S. And more than 30,000 people have been turned back to Mexico to wait out their asylum claims. They would be placed in fast-track deportation proceedings and flown to their home countries at USA expense. "While there is much more work still to be done, thankfully the Supreme Court took a decisive step here and rejected the lower court's egregious ruling", Gidley said. "The life of countless numbers of people are at stake".More news: Trump says Taliban talks ‘dead’, United States military to ramp up Afghanistan operations
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