(1) A person who commits the offence of stalking is liable on conviction on indictment to imprisonment for 5 years or on summary conviction to imprisonment for one year.
(2) A person commits the offence of stalking if—
(a) he or she intentionally and maliciously follows about or harasses another person in such a manner as would cause that person to be in reasonable fear of being assaulted or of suffering serious bodily injury or death;
(b) he or she wilfully and maliciously engages in a course of conduct that involves an express or implied threat to kill another person or cause serious bodily injury to another person or cause emotional distress to another person;
(c) he or she persistently makes harassing phone calls or sends unsolicited mail in any form, to another person in such manner as would cause emotional distress to the other person.
(3) In this section “course of conduct” means a persistent pattern of conduct comprising 2 or more acts carried out over a period of time that shows a continuity of purpose aimed at a particular person who is a victim of the offence.