The president effectively halted all immigrant crossings at the border with Mexico on his return to the White House.

Immigration advocacy groups are suing the Trump administration, saying they are illegally shutting down asylum access at the southern border and putting people fleeing war and persecution in harm’s way.

President Trump issued a raft of executive orders that effectively block migrants from entering the United States and applying for asylum, closing off major legal channels for immigration.

A leading U.S. civil rights group accused President Donald Trump on Monday of violating U.S. laws and international treaties with his sweeping ban on asylum at the U.S.-Mexico border.

A coalition of immigrant advocates, including the American Civil Liberties Union, sued the Trump administration in federal court in Washington on Monday, arguing that President Trump’s order shutting the United States’ southern border to asylum seekers was unlawful.

The American Civil Liberties Union on Monday filed a lawsuit in federal court challenging President Trump's move to close down the American asylum system.