Trials to remove shark nets from some NSW beaches have been suspended after the death of a surfer. But what impact do they actually have on shark attacks in the first place? Follow our Australia news live blog for latest updates Get our breaking news email, free app or daily news podcast The death of a surfer in a shark attack on one of Sydney’s northern beaches has reopened debate about the use of shark nets at Australian beaches. Mercury Psillakis, 57, was surfing at Long Reef on Saturday when he was attacked by a large shark just a week after the annual installation of shark nets across the NSW coast. Continue reading...