Firefighters in New South Wales are struggling to contain wildfires that have destroyed at least 100 homes.
Three people are unaccounted for and others are reported to be trapped in their homes.
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New South Wales Rural Fire Service said in Tweet there were 77 bush and grass fires with 42 of them uncontained.
The worst of the fires are in the northern areas of NSW.
The RFS said in a Tweet they were unable to get to everyone who had called in for help due to the size and speed of the fires.
Emergency warnings have been issued from the Blue Mountains to the Queensland border.
NSW Rural Fire Service Commissioner Shane Fitzsimmons said there had been injures to firefighters and members of the public.
"We can certainly see some of the aerial footage and the vision coming through which is identifying some widespread property damage and destruction right across multiple firegrounds," Mr Fitzsimmons told ABC.
MidCoast Mayor David West, who lives in Brimbin, told AAP he had never seen anything like it.
"I'm looking at a sky that's screaming danger, that's saying 'get out of my way, I'm going to kill you'," he told AAP.
Newshub.