Lucy Letby says raw sewage may have contributed to babies’ unexplained deaths

Nurse told court intensive care room at Countess of Chester hospital was ‘not a safe working environment’

Raw sewage may have been a “contributing factor” in the unexplained deaths of babies on a hospital neonatal unit, a nurse accused of their murder has said.

Lucy Letby, 33, told her trial that an intensive care room for babies at the Countess of Chester hospital was “not a safe working environment”.