That's all the action in the pool for today. We're back tomorrow with coverage of no fewer than five finals with plenty of British interest. Andrew Willis goes in the 200m breaststroke final, James Guy is involved for Team GB in the men's 4x200m freestyle relay final and Fran Halsall will feature in the women's 50m butterfly heats. BBC Two coverage starts at 16:00 BST and, of course, you can follow it all here on the BBC Sport website.
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GB women have finished fifth in the women's 4x200m freestyle relay- just over five seconds behind eventual winners United States.
The gold medallists, featuring Missy Franklin, swam in a time of 7:45:37 in Kazan, Russia- a result which means Franklin (seen below in pink) now becomes the most decorated female competitor at the World Championships, her tenth gold medal.Copyright: Getty Images
Lauren Quigley of GB has finished seventh in the final of the women's 50m backstroke, as 1.08 seconds separated all eight athletes. Her time of 27.99 was 0.88 short of gold medalist Fu Yuanhui of China.Copyright: Getty Images
Two more finals to tell you about:
In the men's 100m freestyle China's Ning Zetao came first, quickly followed by Cameron McEvoy of Australia in second and Argentina's Federico Grabich came third.Copyright: Getty Images
In the women's 200m butterfly Natsumi Hoshi won Japan's first ever women's World Championships gold medal. The United States' Cammile Adams finished second and Zhang Yufei of China came third.
Great Britain's Andrew Willis has won his semi final of the men's 200m breaststroke at the World Championships in Kazan, Russia. His time of 2:08:72 saw him qualify in 5th place for the final tomorrow.Copyright: Getty Images
Great Britain's Dan Wallace finishes fourth in the men's 200m individual medley in Kazan.Copyright: Getty Images
His time of 1:57:59 was slower than that of gold medallist Ryan Lochte of the USA, runner up Thiago Pereira of Brazil and Wang Shun of China, who was third.
There's still a chance of a British medal shortly when Lauren Quigley goes for gold in the women's 50m backstroke.
Adam Peaty's mum, speaking to Radio 5 live, says the 50m and 100m breaststroke gold medallist used to be "petrified of water".
Caroline Peaty said the 20-year-old from Uttoxeter would scream during bath-time when he was a child.
"He wouldn't go in the bath and he wouldn't stand under the shower - he was completely petrified of water," said Caroline.
"Like I've done with all my children, I wanted them to swim to keep safe. My friend took him the first time because it was breaking my heart.
"It took about a week then we got him used to water, then we got him into swimming lessons," she added.
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