A compact and highly mobile fire-fighting vehicle is disclosed which is capable of entering buildings through doorways and being maneuvered through corridors to the location of the fire. The vehicle carries fire extinguishing materials thereon and a spray device for spraying such materials. The vehicle can be battery operated directly by an operator or by an electronic remote control device provided on the chassis. A plurality of vehicles of the present invention can be effectively utilized to surround and isolate a fire.