President Donald Trump’s administration asked the Supreme Court in a series of emergency appeals Thursday to allow him to move forward with plans to end birthright citizenship, elevating a fringe legal theory that several lower courts have resoundingly rejected.

President Donald Trump is asking the Supreme Court to prop up a January executive order ending birthright citizenship in the United States. The order, which would stop the practice of granting citizenship to children of undocumented immigrants and other noncitizens born in the U.

Judges in Maryland, Massachusetts and Washington have issued nationwide orders blocking President Donald Trump’s executive order to ban birthright citizenship.