The emergency appeal asks the justices to halt a lower-court order keeping in place temporary legal status for more than 500,000 people.

Court will weigh in on injunctions after arguments on cases challenging president's attempt to restrict birthright citizenship.

The Trump administration on Monday asked the Supreme Court to allow it to resume the deportations of nearly 200 Venezuelan migrants detained in Texas, requesting that the court lift its order from last month that temporarily paused the deportation of migrants subject to the Alien Enemies Act.