Anna Shcherbakova, just 16, clinched the women's world figure skating title on Friday, leading a Russian podium sweep just a year from the 2022 Winter Olympics in Beijing. With a total of 233.17 points, Shcherbakova, who also led after the short programme, edged compatriots Elizaveta Tuktamysheva, the 2015 world champion (220.46 points), and fellow 16-year-old Alexandra Trusova (217.20). es/dj/pb