DUBAI, United Arab Emirates (AP) – Novak Djokovic is heading home to Serbia after his deportation from Australia over its required COVID-19 vaccination ended his hopes of defending his Australian Open title. An Emirates plane carrying Djokovic from Melbourne touched down in Dubai early Monday and a few hours later he was seen on a flight heading to the Serbian capital of Belgrade. Djokovic had argued in an Australian court he should be allowed to stay and compete under a medical exemption due to a coronavirus infection last month. But Australian authorities revoked his visa and said they needed to keep their borders strong and Australians safe.