Sparky ‘saved woman’s life’ by kicking this attacker in the head with steel toe capped boot

An electrician told how court how he stopped a university lecturer repeatedly stabbing his wife by kicking him in the head with his steel toecapped boot. Dr Ying Zhang, 55, a lecturer in computer studies, would have killed Hannan Xiao, 52, if Richard O’Brien had not intervened, jurors have heard. Mrs Xiao, 52, who teaches cybersecurity sobbed ‘stop it, help me’ as she was stabbed with a kitchen knife in the chest, neck and back outside their child’s school in…