Shocking new footage of patients attacking staff at Queensland’s biggest hospital has been released as authorities ramp up their efforts to protect health workers. The CCTV captured at the Royal Brisbane Women’s Hospital show three separate incidents where staff narrowly avoided injury at the hands of a patient, including one in which a man tried to use a metal object to smash a glass door. More than 3000 hospital workers are physically or verbally assaulted by patients or visitors each year, according to Health Minister Cameron Dick.