The Supreme Court will hear oral arguments Thursday on a challenge to President Donald Trump's effort to end birthright citizenship, and crucially, whether lower courts that have blocked Trump's policies from taking force nationwide have acted beyond their authority.

The Supreme Court heard arguments about injunctions against Trump’s order to end birthright citizenship for those born to parents of undocumented immigrants or foreign visitors.

The court is holding a hearing to decide whether the rulings of judges who blocked the presidential order have national scope or not