Those who have found themselves in life-threatening situations will often attest to how quickly the danger can unfold.
While we may walk through an eerie street at night and worry that someone will attack us, the unfortunate reality is that the worst attacks often happen when we least expect them.
It's entirely possible to be happily walking down the street with some take-out one minute only to end up fighting for your life the next minute.
And one Australian man is now facing serious consequences after he dealt with this nightmare scenario.