Summer McIntosh won her fourth gold medal of the World Aquatics Championships in Singapore with a dominant performance in the 400-meter individual medley.

Kate Douglass wins the 200 breaststroke for the U.S.; Netherlands, China, Hungary and Britain also claim victories heading into a captivating final two days.

Water Polo is exciting to watch and a lot of fun to play. This dynamic game requires three basic skills: swimming, treading water and passing. Find out more about the sport in England, Scotland, Wales and Ireland .