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Astronaut Luca Parmitano 'always confident' of survival

25 September 2013 Last updated at 18:30 BST

An astronaut who was forced to abandon a spacewalk because of a dangerous water leak in his helmet says he was "always confident" he would survive.

Speaking to the BBC from the International Space Station about his experience, which prevented him from being able to hear or speak, Luca Parmitano describes the "long minutes" leading up to his rescue.

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