Second crane topples over in Sydney street SMH Australia
"The union will be conducting its own investigation in conjunction with Workcover but it certainly speaks to the need for stronger (worker safety) laws from the state government," Mr Davey told ABC radio.
"These accidents are happening way too often and the laws need to be toughened so that building workers can go to work with some confidence that they won't be involved in some terrible mishap and that they'll be able to get home to their families at the end of the day."
Workers trapped as building collapses in Italy. ABC News Online
Labour unions have meanwhile called a strike of all construction workers in the port city for Monday, the CGIL union's Venanzio Maurici said.