The flood emergency where communities were left to save themselves

It's been declared a national emergency, as towns and cities along the east coast grapple with floods that have cost more than a dozen lives and destroyed thousands of livelihoods.  For residents in the hard-hit shire of Ballina, in New South Wales, shock has turned to frustration over why they were left to rescue each other from their homes as the waters surged. Today Sharon Cadwallader, the area's mayor, on the community's panic and desperation when communications were cut off at the height of the emergency, and the changes needed so it never happens again. Featured:  Sharon Cadwallader, mayor, Ballina Shire Council, NSW