Sarah Thomas said the hardest part of her English Channel swim was dealing with the salt water, which left her throat and mouth sore
Triple Olympic champion Sun Yang was accused of smashing a blood vial with a hammer during an out-of-competition doping test last year.
After Australian swimmer Shayna Jack failed a drugs test, Chinese media accused the team of "utter hypocrisy" following anti-doping protests targeting China's Sun Yang.
Tamas Kenderesi, Olympic bronze medallist, has been banned from leaving the country while police investigate the incident at a bar in Gwangju, around 330 kilometres south of Seoul.
Michael Phelps, however, admitted that his astonishment was tinged with sadness at losing a world record which had stood since 2009.
Britain's Adam Peaty became the first male swimmer to capture three 100 metres breaststroke world titles.
Adam Peaty clocked 56.88 seconds in semis, becoming the first swimmer to break 57 seconds and eclipsing his previous mark by just over two tenths.
Sun Yang, facing fresh allegations of violating doping protocols coming into the eight-day meet, slapped the water and roared in delight.
World Anti-Doping Agency (WADA) have appealed the findings of the FINA doping panel's report, dated January 3, that decided Sun Yang did not commit a doping violation.
At last year's Khelo India School Games, Srihari Nataraj had won six gold medals.
Prasanta Karmakar was suspended after the incident in Jaipur in 2017.
Rohan More became the ninth person in the world to complete the Ocean's Seven marathon.
Speaking at a mental health conference in Chicago on Tuesday, the 23-time Olympic gold medal winner talked openly about his long battle with crippling depression and is encouraging others to get help like he did.
Michael Phelps pointed out that he had made it clear beforehand that he would not be in the water at the same time as the shark.
The computer simulated great white shark swam 100 meters in 36.1 seconds. Michael Phelps, fitted in a special wet suit and monofin that bound his feet together, took 38.1 seconds to swim the same distance. So close - but no dice.
Phelps, the winner of 23 Olympic gold medals in swimming, is racing a shark Sunday night during the Discovery Channel's annual Shark Week
It's not clear exactly how Phelps, who turns 32 later this month, will be racing the great white. For instance, will it be a freestyle race, or maybe butterfly stroke? In any event, here's hoping there's more separating Phelps from his foe than just some floating lane markers.