Sophie's mother, Leanne said she will never forget the moment her daughter died
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Londonderry baby death: England's chief coroner orders investigation

A Derry mother has said she will not rest until she finds out why her baby died at Great Ormond Street Hospital.

Leanne Maguire's daughter Sophie was transferred from Altnagelvin Hospital to the London hospital after her birth, but died days after surgery in April 2013.

Keiron Tourish reports.