GREENBELT, Md. (AP) — 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.

In last month’s decision limiting one judicial tool, universal injunctions, the court seemed to invite lower courts to use class actions as an alternative.

President Donald Trump’s first day back in the White House, he issued Executive Order 14160 “Protecting the Meaning and Value of American Citizenship.” The directive attempted to nullify birthright citizenship,