Onlookers may be called upon to assist

(1) Any superior police officer present, or if there is no superior police officer present, the senior non-commissioned police officer or police constable present, may call upon any onlooker present at the fire to afford his assistance in extinguishing it in any way in which the services of such person can be made available. (2) Every onlooker who when so called upon refuses to afford his assistance in extinguishing the fire shall be guilty of an offence and liable on summary conviction to a fine not exceeding one hundred dollars.