Australian immigration authorities have for a second time revoked a visa for Serbian tennis star Novak Djokovic, who has refused to be vaccinated against COVID-19. This comes just three days before the start of the Australian Open tennis tournament. An investigation found Djokovic provided false information on the documents he gave to border officials during his entry to Australia last week. Click here to see our coverage of the plight of refugees in the same immigration detention center in Australia where Novak Djokovic was initially held.