Some of the refugees that Papua New Guinea imprisoned for Australia got badly sick and were being treated in a hospital in Port Moresby, capital of Papua New Guinea. But an international summit is about to take place there, so Papua New Guinea sent the patients back to Manus, interrupting their treatment.

Supposedly this is to make space in the hospital in case delegates get sick. I suspect, though, that Australia demanded this so that the people attending the summit can't talk with any of the refugees.