Six people were killed and several more left injured in a devastating stabbing rampage at a crowded shopping mall in Sydney, Australia on Saturday, RadarOnline.com has learned. A 9-month-old baby, whose mother was reportedly killed in the attack, was among the wounded and has been in surgery after being transported to Sydney Children’s Hospital. The knife-wielding assailant was shot and killed by a lone police officer who was alerted by hundreds of terrified shoppers fleeing the scene at Westfield Bondi Junction. New South Wales Assistant Police Commissioner Anthony Cooke said in a press confe…