'Indiscriminate' device used by Aussie police

A Los Angeles County Sheriffs deputy stands ready to use a sound cannon, or Long Range Acoustic Device , against protesters near a Donald Trump campaign rally on May 25, 2016 in Anaheim, California Picture: David McNew/Getty Images/AFP A SONIC weapon that can permanently damage people's hearing is being rolled out across world and Aussie police now have them in their anti-protest kits. Long range acoustic devices are often referred to as sound cannons and have been used against protesters in the