Sun Yang (CHN) celebrates after winning his men's 200m freestyle semifinal during the London 2012 Olympic Games at Aquatics Centre.
Courtesy of: Rob Schumacher-USA TODAY Sports

PHOENIX, Arizona, July 30. ANOTHER world record was put on notice today in the third day of preliminary competition at the FINA world swimming championships, thanks to Cameron van der Burgh's remarkable swim.

Jeff Commings recaps the top performances from today's men's 50 breast, women's 200 free, men's 200 fly and men's 800 free.