we will have more on the breaking news situation, the hostage situation under way in texas tonight. right now, i do want to go to australia, where a sfral court is hearing novak djokovic s appeal of his visa cancellation. that hearing going on right now, the back and forth whether he ll be allowed to stay in the country and play in the australian open. it s been going on now, a saga for more than a week. the presiding judge is telling both sides to get through their arguments as quick as possible. phil black is in melbourne. what can you tell us about this hearing so far? reporter: poppy, this is novak djokovic s last legal play to play in the australian open, which opens tomorrow. he spent the night in immigration detention, after the cancellation of his visa on friday and now his lawyers are arguing that the grounds for that cancellation essentially don t make sense. the immigration minister in this