Australian Open: Dizzy, dehydrated Novak Djokovic wins record eighth title

*Melbourne:* Novak Djokovic admitted he was on the brink of defeat with dizziness and dehydration before coming through a five-set thriller against Dominic Thiem to clinch a record eighth Australian Open crown and return to world number one on Sunday. The indomitable Serb stretched his unbeaten streak this season to 13 but he had...