They beat New Zealand 's Jo Aleh and Polly Powrie , who had beaten the Britons in the same event four years ago .
In sailing , the uncatchable duo of Hannah Mills and Saskia Clark picked up gold in the women 's 470 class .
women beat New Zealand 's Jo Aleh and Polly Powrie , who had beaten the Britons in the same event four years ago .
In sailing , the uncatchable duo of Hannah Mills and Saskia Clark picked up gold in the women 's 470 class .