Lucy Letby, who was called the UK’s ‘worst child serial killer’, may not have committed the crime. The British nurse was convicted of killing seven babies and attempting to murder seven others at the hospital where she worked between 2015 and 2016.

A panel of international experts have presented what they called “significant new medical evidence” in the murder cases connected to Lucy Letby.Evidence used to convict the killer nurse was newly challenged on Tuesday as Canadian professor Dr Shoo Lee – whose own research formed part of the prosecution’s case – convened a panel of experts in London.