(1) A person who—
(a) in any public place; or
(b) being unlawfully in any place other than a public place,
wantonly does any act with intent to cause terror to any person and if as a result causes harm to any other person, or if his or her act is of such a nature as to be likely to cause harm to any person by terror, is liable on summary conviction to imprisonment for one year.
(2) For the purposes of this section, harm is deemed to have been caused by the act of a person, although the harm is the mere inward effect of the terror caused by the act.