Retail, Shopping Mall Sprinkler system extinguishes fire in mall bathroom (Toms River, NJ) July 30, 2012 viking210 Crews found the fire started in the employee bathroom, located at the rear of the store, but was extinguished by the fire sprinkler system, Toms River Bureau of Fire Prevention Director James Mercready said. The fire sprinkler system helped control and suppress the “potentially catastrophic” fire, he said. A fire sprinkler head had activated once temperatures in the area reached 155 degrees Fahrenheit and once it kicked on, a fire alarm signal alerted the fire department of the fire, Mercready said.