Sakamoto on course to retain women's World Figure Skating Championships title in Saitama
![Sakamoto on course to retain women's World Figure Skating Championships title in Saitama](https://cdn.statically.io/img/cdn.dmcl.biz/media/image/268291/o/GettyImages-1249055755.jpg)
Japan’s reigning world champion Kaori Sakamoto leads after the women’s short programme at the World Figure Skating Championships in Saitama after producing her best skate of the season,