The Australian government has cancelled the visa of tennis star Novak Djokovic, who was held at Melbourne airport for over five hours upon arrival on Wednesday night, just days before the Australian Open. The decision comes after Djokovic claimed to have an exemption to compete in the event despite COVID-19 vaccination border entry requirements. Djokovic arrived at Melbourne Airport at 11.20 p.m. on Wednesday night and was detained by Australian Border Force (ABF) over concerns about his visa. “The ABF can confirm that Mr Djokovic failed to provide appropriate evidence to meet the entry requirements to Australia, and his visa has been subsequently cancelled,” ABF said in a statement on Thursday. “Non-citizens who do not hold a valid visa on entry or who have had their visa cancelled will be detained and removed from Australia.” Health Minister Greg Hunt said the decision came after Djokovic’s exemption, provided by the Victorian state …