The judge scheduled a hearing for Monday to press the administration on whether it defied his order prohibiting deportations under the Alien Enemies Act of 1798.

Below is a look at what could happen if a court rules the administration is ignoring or not complying with a court order, which some experts describe as a constitutional crisis. WHAT HAPPENS IF SOMEONE IGNORES A COURT ORDER?

A U.S. judge on Tuesday demanded more details from the Trump administration on two deportation flights that took off this weekend despite his order temporarily banning the removal of people from the United States under an 18th-century law.