Zhang Yufei wins second gold at China Swimming Championships

HANGZHOU, May 4 (Xinhua) -- Olympic champion Zhang Yufei stormed to win the women's 100m butterfly at China's National Swimming Championships here on Thursday.

Zhang, winner of the 200m fly and runner-up in the 100m fly at the Tokyo Olympic Games, timed 56.48 to grab the gold. Her time is the world's fastest time in the event so far this year. She also won the 200m fly in Hangzhou on Monday.

Yu Yiting ran