Bangladesh, July 27 -- South Korea, July 27 (Xinhua/UNB -- Three new swimming world records were set at the 18th FINA World Champions here on Friday.

The first was taken by Caeleb Dressel of the United States, who clocked 49.50 seconds in the men's 100m butterfly semifinals.

Dressel, who won seven world titles in Budapest two years ago, touched home first for Saturday's final, breaking the prior record of 49.82 set in 2009 by his compatriot Michael Phelps.

Dressel had earlier claimed three titles in the 50m butterfly, 100m freestyle and the 4x100m freestyle relay events.

Russia's Anton Chupkov created a new world record of 2:06.12 in the men's 200m breaststroke final.

Chupkov beat the previous record of 2:06.67 set in 2017 by Ippei W...