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Clare Balding presents highlights of the day's action from day four of the 2018 Winter Olympics from Pyeongchang, South Korea.

Great Britain's Elise Christie is the standout home hope on day four with the three-time short track speed skating world champion going for gold in the women's 500m.

American snowboarding teenage sensation Chloe Kim starts among the favourites in the women's halfpipe - an event the 17-year-old has dominated for much of the last Olympic cycle.

Compatriot Shaun White begins his bid for a third snowboard halfpipe gold medal, while the men's alpine combined skiing gold medallist is also crowned - one of eight gold medals awarded on day four.