ABC Online | Call for urgent action after fist-sized rock thrown off Southern Expressway bridge in SA ABC Online "What if it was your mother, or sister, or brother in the car?" That's the question Lauren Mangelsdorf would ask of the person who threw a rock at her car while she was driving along the Southern Expressway with her two-year-old son. On Thursday ... Near miss for mum and toddler in latest rock throwing attack Young mum reveals how she was targeted by rock throwers |