It's been nearly 30 years since 35 people died and dozens more were injured in a shooting at Port Arthur, in southern Tasmania. [[anniversary 28 April]] The tragedy led to a mass buyback of more than half-a-million guns and other reforms to gun ownership. Australia hadn't seen a mass shooting anywhere near that scale in almost 30 years. until the attack at Bondi in December, when 15 people were killed. That attack renewed debate on gun control and proposed a new round of reforms across the country, including a new firearm buyback, tighter license requirements, limits on the number of firearms per person and a long-awaited National Firearms Register.