WASHINGTON — The American Civil Liberties Union, along with immigration legal aid groups, Monday filed the first major lawsuit against the Trump administration’s proclamation of an “invasion” at the southern border to justify expelling migrants and preventing them from claiming asylum.

The American Civil Liberties Union filed a lawsuit against former President Donald Trump, accusing him of violating U.S. and international laws with his comprehensive ban on asylum at the U.S.-Mexico border.

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 wa