Olympic champion Kaylee McKeown of Australia beat the United States' Phoebe Bacon by just 0.04sec to claim women's 200m backstroke gold ©Getty Images

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Sarah Sjöström of Sweden is now just two short of American Michael Phelps' record 20 individual medals at the FINA World Championships ©Getty Images
Sarah Sjöström of Sweden is now just two short of American Michael Phelps' record 20 individual medals at the FINA World Championships ©Getty Images
Sweden's Sarah Sjöström won the women's 50m butterfly final for the fourth consecutive World Championships ©Getty Images
Sweden's Sarah Sjöström won the women's 50m butterfly final for the fourth consecutive World Championships ©Getty Images
Britain's Benjamin Proud triumphed in the men's 50m freestyle final ©Getty Images
Britain's Benjamin Proud triumphed in the men's 50m freestyle final ©Getty Images
Hungary's Kristóf Milák added men's 100m butterfly gold to his 200m butterfly world record at his home World Championships ©Getty Images
Hungary's Kristóf Milák added men's 100m butterfly gold to his 200m butterfly world record at his home World Championships ©Getty Images
Katie Ledecky of the US, centre, won the women's 800m freestyle final by more than 10 seconds ©Getty Images
Katie Ledecky of the US, centre, won the women's 800m freestyle final by more than 10 seconds ©Getty Images
The US' Katie Ledecky became the first swimmer to win the same event at five consecutive FINA World Championships with victory in the women's 800m freestyle ©Getty Images
The US' Katie Ledecky became the first swimmer to win the same event at five consecutive FINA World Championships with victory in the women's 800m freestyle ©Getty Images
Three-time Olympic champion Kaylee McKeown of Australia won her first World Championships gold medal in the women's 200m backstroke ©Getty Images
Three-time Olympic champion Kaylee McKeown of Australia won her first World Championships gold medal in the women's 200m backstroke ©Getty Images
Australia set a world record time of 3:19.38 in the mixed 4x100m freestyle relay ©Getty Images
Australia set a world record time of 3:19.38 in the mixed 4x100m freestyle relay ©Getty Images
China's 96.7000 routine in the women's team free artistic swimming final ensured they took gold ©Getty Images
China's 96.7000 routine in the women's team free artistic swimming final ensured they took gold ©Getty Images