Australian Open preparations have been thrown into chaos after two planeloads of tennis stars and their entourages were sent into hard hotel lockdown, due to three positive COVID-19 cases.Tourism chiefs are pleading with the Victorian Government to make New South Wales border towns free-travel zones, amid fears its new permit system is “decimating” Murray River trade.It’s been revealed more than $10 million was poured into advertising Victoria’s “Big Build” infrastructure blitz over two-and-a-half years.And one in five children will head back to school with an undetected vision problem, prompting a warning from one of Australia’s peak healthcare bodies.For updates and breaking news throughout the day, take out a subscription atheraldsun.com.au