President Donald Trump asked the Supreme Court on Tuesday to make it easier for his administration to deport people to South Sudan and other countries that are not their homeland, the latest in a series of controversial immigration policies the administration has put before the conservative-majority high court.

WASHINGTON (AP) — The Trump administration asked the Supreme Court on Tuesday to halt a judge’s order allowing migrants to challenge their deportations to South Sudan.

The judge orders the migrants to be kept in US government custody, holding the plane on the tarmac if necessary.