Tokyo Olympics: Sydney McLaughlin smashes record, Kokona Hiraki, 12, wins silver

Tokyo Olympics: Sydney McLaughlin smashes record, Kokona Hiraki, 12, wins silver https://ift.tt/eA8V8J Hurdler Sydney McLaughlin smashes her own world record to win 400m hurdles gold on the day 12-year-old Kokona Hiraki becomes the youngest Olympic medallist for 85 years.