Werro aims for 800m gold despite heavy fall in semi-finals

Swiss runner Audrey Werro suffered a heavy fall in the 800m semi-finals, which may have both physical and psychological consequences ahead of the final. She faces stiff competition in the final, including Keely Hodgkinson and Femke Broeders-Bol. The question is whether Werro can overcome the effects of the fall and challenge for the gold medal.