The Supreme Court seemed intent Thursday on maintaining a block on President Donald Trump’s restrictions on birthright citizenship.

The justices are considering whether to limit the authority of federal judges to issue nationwide injunctions that have blocked key parts of the Trump agenda until they can be heard in court.

The Supreme Court on Thursday seemed open to lifting a series of nationwide orders blocking President Donald Trump from enforcing his birthright citizenship policy even as several of the justices wrestled with the practical implications of allowing the government to deny citizenship to people born in the US.