Boy, six, 'who killed newborn after being left to roam French maternity ward was found on a chair next to the baby's crib calling the girl his "doll"', says horrified woman who discovered the scene
Baby Zayneb-Cassandra - who was born via caesarean section to parents Mohamed-Hamza (pictured) and Sephora - was found lying beside her crib with a traumatic brain injury last week