The premier of New South Wales state Barry O'Farrell declared a state of emergency.
The fires have killed one man, destroyed a total of 208 homes in New South Wales state and damaged another 122 since Thursday, the Rural Fire Service said.
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A businessman who feared he would be left paralysed by an inoperable tumour growing near his spine has taken his own life at Dignitas.
Submariner who called Trident nuclear programme a "disaster waiting to happen" was thinking of the country's safety, brother tells ITV News.
Chuka Umunna has backed Liz Kendall to become the next Labour leader.