On 20 January 2017, a car was deliberately driven into pedestrians along Bourke Street in the Melbourne CBD. Six were killed and twenty-seven were injured.
On 9th November 2018, a 30 year old terrorist armed with a knife went on a rampage in Bourke Street, Melbourne stabbing three people. Multiple first responders recount their experiences on that tragic day.
On August 13, 2019 computer engineer Mert Ney went on a rampage in Sydney's CBD. He stabbed to death 24 year old escort Michaela Dunn and another woman passing by.
On 23rd March 2007 a collision occurred in Melbourne's Burnley Tunnel, it would affect the psyche of the state. The crash involved multiple trucks and cars setting off an explosion hot enough to melt cars.
One of Australia's worst mass murders happened in a quiet suburban nursing home. A nurse caught stealing prescription drugs decided to burn the nursing home down in the middle of the night.