Up to 20 properties lost in Blue Mountains as megafire burns outside Sydney, while fires also threaten communities in Western Australia and Queensland
About 2,000 firefighters are currently fighting more 108 active bushfires in NSW.
The RFS have issued a new emergency warning for areas near Muswellbrook.
EMERGENCY WARNING - Kerry Ridge fire (Muswellbrook, Singleton and Mid-Western LGA)
Fire activity increasing. If you are in the area of Olinda, Nullo Mountain and Bogee, watch out for embers that may start fires ahead of the main fire front. #nswrfs #nswfires #alert pic.twitter.com/6UEV0imNRS