Power to pursue and arrest after escape or rescue
84.—(1)  If a person in lawful custody escapes or is rescued, the person from whose custody he escaped or was rescued, or any police officer, may immediately pursue and arrest him for the purpose of returning him to the place where he was in lawful custody.
(2)  Sections 77 and 82 shall apply to any arrest under subsection (1) even if the person making the arrest is not acting under an arrest warrant and is not a police officer having authority to arrest.