A federal judge blocked a Trump administration policy barring migrants who cross the US-Mexico border from seeking asylum, issuing a major blow to President Donald Trump, who has sought to seal off access to protections on the border.

President Trump's asylum ban at the U.S.-Mexico border enacted in an emergency immigration proclamation on his first day in office is "unlawful," a federal judge ruled Wednesday. Why it matters: Although U.

Trump declared that the situation at the southern border constitutes an invasion of the US in the order signed earlier this year