119(1)A peace officer who has reasonable and probable grounds to believe that a person is committing or has committed an offence may arrest that person without warrant if the peace officer has reasonable and probable grounds to believe that the arrest of the person is necessary in the public interest.
119(2)The peace officer, when considering whether it is necessary in the public interest to arrest a person, shall consider all of the circumstances, including the need to
(a)
establish the identity of the person,
(b)
secure or preserve evidence of or relating to the offence,
(c)
prevent the continuation or repetition of the offence or the commission of another offence, or
(d)
prevent the person from evading, by leaving the Province or otherwise, the jurisdiction of the court, whether in relation to the prosecution of the offence or the enforcement of sentence.