A flurry of recent federal court rulings have stalled, for the moment, the Trump administration’s efforts to deport as many as one million undocumented migrants this year, as judges increasingly determine that individuals cannot be removed from the country without due process.

The American Civil Liberties Union asked the Supreme Court on Monday to broaden its extraordinary weekend order that temporarily blocked the Trump administration from using a wartime power to deport dozens of alleged gang members detained in Texas.