(1) The powers of summary arrest conferred by subsections (2) to (8) shall apply to indictable and summary offences or offences for which a person (not previously convicted) may by virtue of any enactment be sentenced to imprisonment for 5 years, and to attempts to commit any such offence.
(2) A police officer may arrest without warrant anyone who is or whom he or she, with reasonable cause, suspects to be, in the act of committing or about to commit, an offence.
(3) Where a police officer with reasonable cause, suspects that an offence has been committed, he or she may arrest without warrant anyone whom he or she, with reasonable cause, suspects committed the offence.
(4) A person may arrest without a warrant any other person who is, or whom he or she, with reasonable cause suspects to be in the act of committing or about to commit an offence.
(5) Where an arrestable offence has been committed, any person may arrest without a warrant anyone who is, or whom he or she with reasonable cause, suspects committed the offence.
(6) A police officer may arrest without warrant any person who is positively charged by another person with having committed an offence if the person making the charge is willing to accompany the police officer to a police station to enter into a recognizance to prosecute such charge.
(7) For the purposes of arresting a person under any power conferred by this section, a police officer may enter (if need be, by force) and search any place where that person is or where the police officer with reasonable cause, suspects him or her to be.
(8) This section shall not affect the operation of any enactment restricting the institution of proceedings for an offence, nor prejudice any power of arrest conferred by any enactment apart from this section.