Australia's most decorated Olympian, swimmer Emma McKeon, announces her retirement from the sport after a career which brought 14 Olympic medals.

Australia's most decorated Olympian, Emma McKeon, announced her retirement from all forms of swimming on Monday, bringing an end to a glittering career in which she won 14 medals at three Olympics and 20 at world championships.

Emma McKeon, who owns Australian records of 14 Olympic medals and six Olympic gold medals, has retired from swimming at age 30. McKeon had said in April that Paris would be her final Olympics, but had left the door open to swimming in other competitions until an announcement Monday morning in Australia.

Emma McKeon, Australia's most decorated Olympian, announced her retirement from competitive swimming on Monday.

Russia has announced that it has identified a U.S. military base housing missiles in Poland as a potential target. Australia's most decorated Olympian Emma McKeon has announced her retirement from elite swimming.

Australian swimming legend Emma McKeon announced that she is retiring from swimming at the age of 30. McKeon is tied with American legend Katie Ledecky for the most Olympic medals (14) won by a female swimmer.