4. Where the authorities have pursued groundless or disproportionate sanctions or dispersal, or have pursued sanctions or dispersal with the aim of harassing particular assemblies, those responsible shall be held liable for violating the right to freedom of assembly. 5. Where discriminatory conduct or physical attack or harassment or threats are carried out by private individuals in the course of an assembly, the authorities shall investigate, prosecute, and punish where necessary. 6. The right to a remedy also requires other measures, such as satisfaction and guarantees of non-repetition, as and where appropriate.