18:00Six O'Clock News18/08/2023 Neonatal nurse Lucy Letby convicted of murdering seven babies and trying to kill six othersBBC Radio 4 Duration: 30 minutes Fri 18th Aug 2023, 18:00 on BBC Radio 4 FMAvailable for over a yearListen nowLetby injected some babies with air and poisoned others with insulinGenresNewsBrandSix O'Clock News Source: BBC Online