Government lawyers said a federal judge in Boston had overstepped his authority by requiring hearings before deportations to countries other than the migrants’ own.

The Trump administration on Tuesday asked the Supreme Court to let it deport migrants to South Sudan and other countries without needing to jump through the additional hurdles imposed by a lower-court judge.

A federal judge in Boston has told the Trump administration it must to maintain custody of migrants whom the US government has allegedly flown to South Sudan or other countries in recent days amid heightened concerns over the administration’s aggressive approach to deportations.