A federal judge in Maryland could soon become the second to block President Donald Trump’s order restricting birthright citizenship from taking effect nationwide, if an appeals court were to allow it.

A Maryland federal judge signaled she would again block President Donald Trump’s executive order on birthright citizenship, this time via a class-wide injunction, if the Fourth Circuit sends the case back to her.

A federal judge who previously blocked President Donald Trump’s effort to end birthright citizenship spent more than an hour Friday grappling with whether his nationwide injunction could stand after the Supreme Court curbed the ability of judges to issue such broad rulings.