GB's James Guy wins 200m freestyle gold on day three in Kazan, Russia

USA's Katie Ledecky beats her own world-record in the women's 1500m freestyle

GB's Chris Walker-Hebborn and Liam Tancock 5th and 8th in 100m backstroke final

Finals also include the women's 100m backstroke & women's 100m breaststroke

Adam Peaty sets world record in 50m breaststroke semi-final