Felix Auböck celebrates after winning the first gold medal of the World Swimming Championships (25m) with success in the men's 400m freestyle ©Getty Images

Photo gallery

Siobhán Haughey beat Sarah Sjöström's world record in the women’s 200m freestyle ©Getty Images
Siobhán Haughey beat Sarah Sjöström's world record in the women’s 200m freestyle ©Getty Images
Daiya Seto has now won more world short course medals than any other Asian swimmer after claiming his 13th with men's 200m individual medley gold ©Getty Images
Daiya Seto has now won more world short course medals than any other Asian swimmer after claiming his 13th with men's 200m individual medley gold ©Getty Images


Alberto Razzetti claimed gold in the men's 200m butterfly before earning bronze in the men's 200m individual medley ©Getty Images
Alberto Razzetti claimed gold in the men's 200m butterfly before earning bronze in the men's 200m individual medley ©Getty Images


Tessa Cieplucha looks stunned after emerging victorious from the women's 400m individual medley final ©Getty Images
Tessa Cieplucha looks stunned after emerging victorious from the women's 400m individual medley final ©Getty Images


Members of the Canadian quartet get behind their team-mate as they shared the women's 4x100m freestyle relay crown with the United States ©Getty Images
Members of the Canadian quartet get behind their team-mate as they shared the women's 4x100m freestyle relay crown with the United States ©Getty Images


Katharine Berkoff posted a strong time in the semi-finals of the women's 100m backstroke ©Getty Images
Katharine Berkoff posted a strong time in the semi-finals of the women's 100m backstroke ©Getty Images


A total of seven gold medals were won on a thrilling opening day to the World Swimming Championships (25m) ©Getty Images
A total of seven gold medals were won on a thrilling opening day to the World Swimming Championships (25m) ©Getty Images


Ten-time world short course champion Chad Le Clos picked up another medal with bronze in the men's 200m butterfly ©Getty Images
Ten-time world short course champion Chad Le Clos picked up another medal with bronze in the men's 200m butterfly ©Getty Images