Telegraph: Emergency services estimated that 21,500 people were isolated by the flooding, which has caused widespread evacuations from the Gold Coast in Queensland to the northern rivers region of New South Wales (NSW). One man, aged 70, died when his car was swamped by raging torrents that swept through the NSW town of Coffs Harbour, 340 miles north of Sydney, overnight. The discovery of his body in the floodwaters brought the death toll from the storms, which were the worst to hit …