The Electrical Trades Union says workers had previously raised concerns about safety on the site of a roof collapse at Curtin University yesterday, where a 23-year-old apprentice fell to his death and two others were injured.
- Two 27-year-old workers remain in hospital after the accident
- The union says previous safety concerns were raised
- But Worksafe says it was unaware of issues at the site
The steel and glass structure caved in just after 12:00p…