Two-time world champion Nathan Chen of the United States led the men's short programme at the Skate American Figure Skating Grand Prix in Las Vegas.
A strong field has gathered in Las Vegas for Skate America - the opening leg of the Grand Prix of Figure Skating season.
Olympic silver medallist Kevin Reynolds has been appointed athlete ambassador for this year's Skate Canada International.
Triple Olympic champions Tessa Virtue and Scott Moir have announced their retirement from competitive ice dancing.
Fourteen-year-old American Alysa Liu has become the first female figure skater in history to land a triple Axel and quadruple jump in one programme.
Japanese watch company Citizen has appointed the country's figure skating star Yuzuru Hanyu as its spokesman and brand ambassador for China, Hong Kong and Macau.
Taiwan has blamed Chinese interference after a figure skating event was stripped from the country.