A demonstration may annoy or give offence to persons opposed to the ideas or claims that it is seeking to promote. The participants must, however, be able to hold the demonstration without having to fear that they will be subjected to physical violence by their opponents; such a fear would be liable to deter associations or other groups supporting common ideas or interests from openly expressing their opinions on highly controversial issues affecting the community. In a democracy the right to counter-demonstrate cannot extend to inhibiting the exercise of the right to demonstrate