Explain public processions under English public law.

In English public law, a public procession refers to a group of people who move together in a public place for a specific purpose, such as a protest or a religious ceremony. The right to hold a public procession is protected under the Human Rights Act 1998, which upholds the right to freedom of expression and peaceful assembly. However, the right to hold a public procession is not absolute, and there are certain legal requirements and restrictions that must be followed. For example, organizers of a public procession must give notice to the police at least six days in advance, and must provide certain information such as the route, the purpose of the procession, and the expected number of participants. The police also have the power to impose certain conditions on the procession, such as the time and route of the procession, to ensure public safety and prevent disruption. In some cases, the police may even ban a public procession if they believe it poses a serious risk to public safety or may result in disorder. Additionally, there are certain offenses that can be committed during a public procession, such as causing a breach of the peace, using threatening or abusive language, or obstructing the highway. Anyone who commits these offenses can be arrested and prosecuted. Overall, public processions are protected under English public law, but organizers and participants must comply with certain legal requirements and restrictions to ensure public safety and prevent disruption.