Novak Djokovic disqualified from US Open, 9 News Australia

Mens tennis world No. 1 Novak Djokovic has been disqualified from the US Open for hitting a line judge in the throat with a ball. Subscribe: Get more breaking news at: Join 9News for the latest in news and events that affect you in your local city, as well as news from across Australia and the world. Follow 9News on Facebook: Follow 9News on Twitter: Follow 9News on Instagram: , 9News, BreakingNews, NineNewsAustralia, 9NewsAUS