SHANGHAI: Chinese media hailed Zhang Yufei as "the new butterfly queen" after she soared at the national swimming championships, firing a warning of intent with the Tokyo Olympics under three months away. The 23-year-old walked off with five gold medals and a silver after the action - which doubled as Olympic trials - concluded on Saturday (May 8) in the coastal city of Qingdao. She clocked 2:05.44 in the women's 200m butterfly, easily the fastest time in the world this year, and also