Section 21: Power of firemen and police in extinguishing fires and regulation of traffic

(1) The most senior member of the Fire Service present at any fire shall have the sole charge and control of all operations for extinguishing the fire, including the fixing of the positions of fire engines and apparatus, the attaching of hose to any water pipes, or the use of any water supply, and of the selection of the parts of the building, object, or place, where the fire is or of adjoining buildings, objects or places, against which the water is to be directed; and all other measures deemed by him to be necessary towards the extinguishing of the fire or the assistance of person or animals in distress by reason thereof, or by reason of such fire-fighting or fire prevention measures.
(2) The most senior police officer present at any fire or, in the absence of a police officer, the most senior officer of the Fire Service present, may close to traffic any street or thoroughfare, or may stop or regulate the traffic thereon or may remove any person, including the owner or occupier of the property on fire, or of adjacent or neighbouring property, from the said street or thoroughfare if in the opinion of that officer it is necessary or desirable to do so for fire-fighting purposes.
(3) For the purposes of ensuring or expediting the free passage of any fire engine or other mobile fire-fighting equipment while proceeding to a fire, any member of the Fire Service may stop or regulate the traffic on any street or thoroughfare or may remove any person or vehicle from the said street or thorough fare if, in his opinion, it is necessary or desirable to do so for the purpose of ensuring or expediting such free passage of the said fire engine or other mobile fire-fighting equipment.
(4) All persons and vehicles using any street or thoroughfare shall yield right of way to fire engines and other mobile fire-fighting equipment proceeding to a fire and operating any prescribed signal audible or visual; and police officers, if present, shall give such assistance as may be necessary for the purpose.