Japan's Yuna Kasai became the first Japanese woman to win an individual gold medal at the Nordic ski world championships on Thursday, triumphing in the Nordic combined mass start normal hill event as her younger twin sister Haruka secured bronze.The victory in Trondheim in Norway saw the 21-year-old become the first Japanese to top an individual podium at the worlds since men's ski jumper Kazuyoshi Funaki won on the normal hill in 1999 in Austria.Yuna Kasai sat third after the 5-kilometer cross-country as home favorite and two-time reigning champion Gyda Westvold Hansen finished 3.6 seconds…READ FULL ARTICLE