IT lecturer who tried to kill his wife after school parent’s meeting faces jail

A university lecturer who stabbed his estranged wife more than ten times outside their child’s parents’ evening is facing years in jail. Dr Ying Zhang, 55, would have killed Hannan Xiao, 52, if electrician Richard O’Brien had not intervened by kicking him in the head with a steel toe-capped boot. Mrs Xiao, 52, who teaches cybersecurity sobbed ‘stop it, help me’ as Zhang stabbed her with a kitchen knife in the chest, neck and back outside their child’s school in…