This story is freely available to our readers. Please consider supporting SCMP’s journalism by subscribing . A silver medal, two new Asian records, two new Hong Kong records – Siobhan Haughey has delivered in a big way on Wednesday, and her 200m freestyle triumph means this is now the city's most successful Olympics ever – and we're only on day 5. Want to know more about Haughey? This piece by Andrew McNicol and Patrick Blennerhasset has everything you need. There was more success for Hong Kong, with Tang Chun-man and Tse Ying-suet beating Britain's Marcus Ellis and Lauren Smith in the mixed doubles quarter-finals. Unfortunately, Doo Hoi-kem pushed Chen Meng hard, but ultimately lost 4-2 in her quarter-final. Later, badminton star Angus Ng Ka-long lost his second group game in men's singles, and surrendered his Olympic hopes. Follow us for live coverage of day five in Japan. Reporting by Paul Ryding and Jonathan White (in Tokyo), Josh Ball, Patrick Blennerhassett, Chan Kin-wa, Nick Atkin, Andrew McNicol, Nadia Lam, and Cheryl Heng.