(1) A police officer may enter and stay for a reasonable time on premises to arrest a person, or detain a person under an Act, or arrest a person named in a warrant.
(2) However, the police officer may enter a dwelling to arrest or detain a person only if the police officer believes on reasonable grounds that the person to be arrested or detained is in the dwelling.
(3) A police officer who enters premises under this section may search the premises for the person.
(4) This section does not authorise a police officer to enter premises to detain a person under an Act if the police officer has not complied with any requirements imposed on the police officer under that Act for entry to premises for that purpose.
(5) In this section--
"arrest" of a person named in a warrant includes apprehend, take into custody, detain, and remove to another place for examination or treatment.