mr. robert hunter for joining us from the us. thank you. thank you. now the quarter, a court rather in australia is due to here in novak joker, which is appeal against deportation after a bid by the government to delay the case was rejected. so the world number one, tennis player was denied entry and detained when he landed in melbourne last week. officials say it's because he's not vaccinated against coven. 19. his lawyers argue he was given a medical exemption after recovering from the virus. we'll get a live update with sarah clark. she's following the case from brisbin over in australia. so sarah, do we know anything more about what arguments both parties will use for their case? well the hearing is set to get under way in a federal court in melbourne. we believe doctor bitches. lawyers have filed an affidavit about 15 minutes ahead of that's a court hearing, which was meant to stop 15 minutes ago that both parties have released the very submissions over the weekends. the government here, the stunning government. the home affairs department had at