Granny killer sent back to hospital

A schizophrenic killer who stabbed his frail grandmother to death two days after he was released from a psychiatric hospital is to be detained indefinitely. Subell Ali, 34, stabbed 80-year-old dementia sufferer Somtera Bibi more than 20 times to the chest and face at their home in Manor Park, east London, on 2 April last year. Ms Bibi’s daughter Fatama heard a ‘terrible scream’ coming from the living room of the house in Landseer Avenue, the Old Bailey heard. Ali…