Experts say dirty waters can attract more sharks – but there are many other factors at play

Fatberg the size of four buses likely birthed poo balls that closed Sydney beaches – and it can’t be cleared

Follow our Australia news live blog for latest updates

Get our breaking news email, free app or daily news podcast

After four shark attacks in New South Wales in less than 48 hours, authorities on Tuesday urged beachgoers to “just go to a local pool instead”.