For the first time, surgeons have brought a young girl's original heart back to life after removing one she received in a transplant.

Heart transplant patient Hannah Clark, 12, of Mountain Ash, south Wales, had the pioneering surgery after her body rejected her "piggy-back" heart.

The complicated procedure was carried out by surgeons advised by heart specialist Sir Magdi Yacoub, who came out of retirement at the request of Hannah's parents, Paul and Elizabeth Clark.

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