Rick Hiltz
494. (1) Any one may arrest without warrant
(a) a person whom he finds committing an indictable offence; or
(b) a person who, on reasonable grounds, he believes
(i) has committed a criminal offence, and
(ii) is escaping from and freshly pursued by persons who have lawful authority to arrest that person.
Arrest by owner, etc., of property
(2) Any one who is
(a) the owner or a person in lawful possession of property, or
(b) a person authorized by the owner or by a person in lawful possession of property,
may arrest without warrant a person whom he finds committing a criminal offence on or in relation to that property.