The court's decision left enough room for the challengers to Trump's directive to try to prevent it from taking effect while litigation over its legality plays out.

The Supreme Court’s ruling narrowed the authority of federal judges but still left open several channels to challenge the president’s executive order banning birthright citizenship.

While babies born in Washington and a slate of other blue states will continue to automatically qualify for American citizenship, that right is “tenuous” for those in red states that have not challenged President Donald Trump’s attempt to end the practice ,