A cold-blooded plot to assassinate a suspected police informant on a crowded eastern suburbs cafe strip was one of five major incidents thwarted during Australia’s largest covert police sting operation.A court has been told the murder of two South Australian children, strangled by their mother’s partner five years ago, could have been prevented.The Women’s and Children’s Hospital will staff nine overflow areas at its paediatric emergency department as it grapples with high demand.And in sport, the blockbuster AFL match between premiership contenders Port Adelaide and Geelong has been given the green light after state Covid-19 authorities approved a coronavirus safe mission that also helps bypass curfew laws.For updates and breaking news throughout the day, take out a subscription atadvertiser.com.au