Three former senior staff at the hospital where nurse Lucy Letby murdered seven babies and attempted to kill seven others have been arrested on suspicion of gross negligence manslaughter. They worked on the senior leadership team at the Countess of Chester Hospital between 2015 and 2016 and were bailed after being questioned on Monday. The arrests came after an investigation into potential corporate manslaughter at the hospital was opened in 2023, and then widened in March this year to include gross negligence manslaughter. Letby, 35, from Hereford, is serving 15 whole life prison sentences after targeting babies at the hospital's...