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Fiennes frustrated at frostbite

Sir Ranulph Fiennes says he is "frustrated" at being forced to pull out of an expedition across Antarctica because of frostbite.

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Sir Ranulph Fiennes to set off for coldest journey on Earth

The world's greatest living explorer, Sir Ranulph Fiennes, is receiving a royal send off from Prince Charles as he begins his latest record breaking challenge. He's attempting to become the first person to cross the Antarctic on foot during winter.

The expedition will take place in temperatures as low as -70C, much of it in total darkness. Our Science Editor Lawrence McGinty has been to meet him.

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