Lucy Letby should face a retrial, Sir David Davis has told Parliament, as he claimed the NHS was “most likely” responsible for baby deaths at her hospital.

No hard evidence against Lucy Letby’ senior Tory claims as he calls for retrial - Sir David Davis said there was no ‘hard evidence’ implicating Letby and the case against her was ‘built on a poor understanding of probabilities’.

Sir David Davis told MPs there was no 'hard evidence' of convicted baby killer Lucy Letby's guilt, and compared the case to infamous miscarriages of justice including the Birmingham Six

Sir David says the former nurse's conviction was "built on a poor understanding of probabilities" and lacked "hard evidence".

Sir David compared Letby's case to the overturned conviction of Sally Clark who was cleared of murdering her sons in 2003 Former Conservative cabinet minister Sir David Davis has called for a retrial of convicted baby serial killer nurse Lucy Letby.

Sir David Davis said there was no ‘hard evidence’ implicating Letby and the case against her was ‘built on a poor understanding of probabilities’.