Children play in a water fountain in Melbourne Park
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Tennis fans coping with brutal heat in Melbourne Park

15 January 2014 Last updated at 14:23 GMT

South-east Australia has been hit with extreme hot weather, with temperatures of over 40C (104F) in some areas, and several bushfire warnings in place.

In Melbourne, a tennis player and a ball boy at the Australian Open collapsed in the heat.

Russell Fuller reports from Melbourne Park.