Australia created the first new world record at the Tokyo Olympic Games on Sunday by beating its own record to win women's 4X100m freestyle relay gold.

Touching home in three minutes and 29.69 seconds, the team (Bronte Campbell, Meg Harris, Emma McKeon and Cate Campbell) sliced 0.36 seconds off the previous world record.

Canada came second in 3:32.78 and the United States took the bronze in 3:32.81.

(With input from Xinhua)