Nurse convicted of murdering seven babies and attempting to kill six others at Countess of Chester hospital between 2015 and 2016
A neonatal nurse has been named as the worst child serial killer in modern UK history, after being convicted of murdering seven babies and attempting to murder six more.
Lucy Letby carried out the killings between June 2015 and June 2016 on the unit where she worked in the Countess of Chester hospital.
