In Part >>>
(1) A
police officer may, without a warrant, arrest a person if--
(a) the
police officer suspects on reasonable grounds that the person is committing or has committed an offence, and
(b) the
police officer is satisfied that the arrest is reasonably necessary for any one or more of the following reasons--
(i) to stop the person committing or repeating the offence or committing another offence,
(ii) to stop the person fleeing from a
police officer or from the location of the offence,
(iii) to enable inquiries to be made to establish the person's
identity if it cannot be readily established or if the
police officer suspects on reasonable grounds that
identity information provided is false,
(iv) to ensure that the person appears before a court in relation to the offence,
(v) to obtain
property in the possession of the person that is connected with the offence,
(vi) to preserve evidence of the offence or prevent the fabrication of evidence,
(vii) to prevent the harassment of, or interference with, any person who may give evidence in relation to the offence,
(viii) to protect the safety or welfare of any person (including the person arrested),
(ix) because of the nature and seriousness of the offence
SOURCE >>>>
LAW ENFORCEMENT (POWERS AND RESPONSIBILITIES) ACT 2002 - SECT 99 Power of police officers to arrest without warrant