This meant a system that used a blank firing replica gun, and a system to detect blank rounds being fired. Very cool, and the way he went about it includes some interesting electronics.

Park stated that Special Warfare Commander Kwak Jong Geun had recommended using Tasers and blank rounds should troops be deployed to the National Assembly.

The Indian Border Security Force (BSF) fired four blank rounds from a sound gun at the Shivtala area opposite the Ghojadanga border near the Bhomra border in Satkhira.  The incident has caused concern ...