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Last Updated: Tuesday February 10 2009 14:57 GMT

Ore speaks to a fire expert in Australia

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Bushfires are sweeping across the south of Australia, claiming more than 100 lives and destroying thousands of homes.

But why are they moving so quickly, and what is being done to stop them?

Newsround's Ore spoke to fire expert Dr. Kevin Tolhurst in Australia to find out more about what's happening there.