In Australia, hundreds of residents of Queensland have evacuated their homes as about 40 bushfires are burning across the state following a heatwave. <br />''<br />'' The most serious blaze, 450 kilometres north of Brisbane, has destroyed at least two homes, damaged four others and prompted evacuation orders.<br />''<br />'' The largest bushfire is about 50 kilometres long.<br />''<br />''  It has burnt through approximately 11,000 hectares in the Deepwater National Park. Authorities said it began on Saturday and is expected to remain a threat in coming days. Most of the other bushfires are being contained.  <br />''<br />'' Bushfires also damaged neighbouring New South Wales last week. Both states are currently in the grip of drought.<br />''  <br />