Arrest of offender escaping from Borstal School, or escaping from supervision

18. Any offender who, in contravention of the provisions of this Act, has escaped from a Borstal school ⁷[or has escaped from a civil hospital to which he was removed for treatment under section 13B] or has escaped from the supervision of any authority, institution, society or person under whose supervision he has been directed to remain, or has been permitted to live by licence under section 14, ⁸[or has committed a breach of any of the conditions imposed under section 17A] may be arrested by any officer of Police without warrant and without the order of a Magistrate and sent back to the Borstal school ⁷[or to the civil hospital] or to such authority, institution, society or person, as the case may be.