A happy and healthy young girl who died suddenly after contracting a tummy bug had a rare, undiagnosed genetic condition, it has since been discovered. The family of Milly-Rose Stirrup was left stunned and heartbroken after she collapsed at the Royal Manchester Children's Hospital (RMCH) in February last year and could not be revived. Just 24 hours earlier she had been well at home playing computer games, having had had the day off school after contracting a bug which had been doing the rounds.

However after a second trip to A+E, Milly, from Denton , Tameside , began to rapidly deteriorate with what was initially thought to be sepsis. It wasn't until many months after her death that her devastated parents Shaun and Phillipa were told she in fact she had an underlying genetic defect which had caused her to become fatally unwell. READ MORE: 'Our happy, healthy daughter told us her belly hurt.

.. twelve hours later we'd lost her forever' Yesterday (August 21),a coroner ruled that this was the cause of her tragic and premature death.

The inquest heard there were a number of "missed opportunities" in her care at the Royal Manchester Children's Hospital, however none were found to have caused or contributed to her death. Milly-Rose with mum Philippa and dad Shaun (Image: MEN) Her family now say they hope to raise awareness of the condition, as well as helping other bereaved parents, as they come to terms with the loss of their "happy, loving, very beautiful little girl" whose shock .