A federal judge who already questioned the constitutionality of President Donald Trump's birthright citizenship executive order is set to hear arguments Thursday over a longer-term pause of the directive,

U.S. District Judge Deborah Boardman issued the injunction at hearing on a lawsuit brought by civil rights groups arguing that Trump’s order is unconstitutional.

The ruling puts a hold on Trump's executive order until the legal process plays out, which could take months or even years.