Attacker seen walking away after stabbing doctor in Chennai; people shout 'He cut him'

A video showing the man who stabbed a doctor multiple times in a Chennai hospital walking away and throwing the knife in a shaft has surfaced online. Security personnel grabbed him when people shouted "he cut him up". The victim identified as Dr Balaji, an oncologist, had been treating the attacker's mother. Dr Balaji is admitted to ICU.