In response, the White House vowed to fight what it said are attempts by "rogue" judges to block the president's policies.

A federal judge in New Hampshire issued a ruling Thursday prohibiting President Donald Trump’s executive order ending birthright citizenship from taking effect anywhere in the U.S.

Granting class status would empower Laplante, if he is inclined to do so, to issue a fresh judicial order blocking implementation of the Republican president's policy nationally.