Naomi Osaka knocked out of Olympic Games, as Hong Kong swimmer makes history in Tokyo

Japanese tennis star Naomi Osaka has made an early exit from the Tokyo Olympic Games, going down in straight sets to the Czech Republic’s Marketa Vondrousova. Hong Kong athletes meanwhile continue their impressive form with swimmer Siobhan Haughey cruising into the finals of the women’s 200m freestyle, becoming the first Hong Kong swimmer to reach a final. Post sports reporter Jonathan White speaks to Alkira Reinfrank about the action from Day 4 at the Olympics.