Justice Sonia Sotomayor wrote a scathing dissent of the court's ruling allowing for people to be deported to "potentially dangerous countries without notice."

After the Supreme Court ruled that the deportations could move forward, a last-ditch attempt to block them with a new lawsuit faltered.

Eight migrants lost their last-ditch effort to halt their deportation to South Sudan by the Trump administration on Friday, clearing the way for their imminent transfer after a judge in Massachusetts denied their request.