'Irrational...': How Djokovic plans to challenge Australia cancelling his visa

• There was more drama in the Djokovic visa saga as Australia canceled World No.1's visa for a second time on Friday despite a court decision quashing the earlier visa revocation. Australian Immigration Minister Alex Hawke said that he has used discretionary powers to take the call, a move which has once again put Djokovic's participation in the Australian Open under doubt. Djokovic's lawyers called the decision 'patently irrational' and will appeal against it on Sunday. Watch full video.