Welcome to Over50sForum! The site for people over 50 to chat, make friends, discuss, share, and generally be part of something that's fun and friendly :)
The Australian Institute of Criminology reckon up to 50% of bushfires are started deliberately, sometimes not maliciously just private burns that went wrong but grass fires are often started by kids with matches or a smoker throwing a cigarette away without checking that it is out.
On the news this evening they are not sure whether this one was started deliberately but the police have taken statements and doubtless will pursue those that started it if it was deliberate. A surprising number of people are eventually caught - penalties are very severe.
I Know I am no forensic scientist but it always baffles me how anyone can work out if a Fire like this was started deliberately or not.