Michael Phelps claimed his second individual gold medal at the World Championships as he retained his 100 metres butterfly crown in Shanghai.

Gold medal hopeful Kelly Sotherton lies fifth in the heptathlon in Beijing after two events.

Aaron Peirsol and Natalie Coughlin each set world records in the men’s and women’s 100metres backstroke at the United States Olympic trials in Omaha.

Michael Phelps claimed a record seventh gold medal at the FINA World Championships in Melbourne to stake his claim to swimming immortality.

Michael Phelps won his sixth gold medal at the World Championships with victory in the 100 metres butterfly today.