Australia took home two more medals on day four, with ecstatic swimmers Alicia Coutts and Bronte Barratt winning silver and bronze respectively.

Michael Phelps is now the most decorated Olympian ever after winning gold and silver, taking his total tally to 19 medals.

Australia's Motley Crew, the hastily-arranged women's rowing eight, have continued their fairytale story at Eton Dorney by qualifying for the final.

In other water sports, world champion sailors Iain Jensen and Nathan Outteridge admitted they were having a chinwag when they capsized in their 49er skiff.