A mother has been left terrified after she was allegedly attacked by a complete stranger while trying to load her baby’s pram into the car. The shocking alleged assault happened on James St in Northbridge, Perth, just before 1pm on Wednesday. Open the f***ing door,” the stranger ordered, before headbutting the mother. Mother Ling Chang was allegedly assaulted in Northbridge on Wednesday. “If they’re not around, I don’t know what I’m gonna do because she she was obviously attacking me,” Chang said.