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 ruling left unsettled the question of whether children born to immigrants without full legal status in the United States are entitled to automatic citizenship. So what happens now?

A divided Supreme Court has ruled that individual judges lack the authority to grant nationwide injunctions, but the decision leaves unclear the fate of President Donald Trump’s restrictions on birthright citizenship.