Firefighters have been brought in from Victoria to help the New South Wales Rural Fire Service put in containment lines near the township of Bell in the Blue Mountains, west of Sydney.
A state of emergency was declared in New South Wales on Sunday after fires destroyed more than 200 homes.
More top news
Trains on some of the UK's busiest rail routes will be "significantly" hit by a rail workers' strike from tonight.
A new report stresses the "critical" need for emergency services to adopt text and social media alerts.
The smuggler turned hero - made famous by Harrison Ford - will star in his own stand-alone film, Disney says.