A person who, by sitting, standing, kneeling, lying down or otherwise conducting himself in a public place, wilfully obstructs or seeks to obstruct traffic or wilfully hinders, or seeks to hinder, any lawful activity shall be guilty of an offence.

A person guilty of an offence under paragraph (1) shall be liable on summary conviction to imprisonment for a term not exceeding 1 month or to a fine not exceeding level 3 on the standard scale, or to both.