Complex sentence: As a response to the spree killing, Australian State and Territory governments placed massive restrictions on all firearms, including handguns, semi-automatic centre-fire rifles, repeating shotguns (holding more than 5 shots) and high-capacity rifle magazines.
Split into simpler sentences: As a response to the spree killing, Australian State and Territory governments placed massive restrictions on all firearms. Including handguns, semi-automatic centre-fire rifles, repeating shotguns (holding more than 5 shots) and high-capacity rifle magazines.