the fourth day in a row. >> she's not relenting, but those kids are not back in school. megan, sam, dr. emanuel, thank you all so much. we will leave it there. developing overnight tennis star novak djokovic winning his appeal to stay in australia after the country's authorities barred his entry over him being unvaccinated and forced him to quarantine in a melbourne hotel after arriving in the country last week. sara james is in melbourne. sara, does this mean he's going to be able to compete in the australian open? he is not there to look at kangaroos, he is there to work. >> reporter: he is here to work and the fact is we don't know for certain. it's looking increasingly likely that he will have the opportunity to appear at center court behind me. we have heard from novak djokovic himself just in the last few moments, stephanie. he tweeted saying i'm pleased and grateful that the judge overturned my visa cancellation. despite all that has happened, i