Grocery Store / Super Center, Retail Fire extinguished by sprinkler system at natural food store (Portland, OR) November 11, 2013 viking210 A late night fire at a natural food store began in one of the store’s coffee roasters. While the cause is still under investigation, the suppression of the fire is credited to the store’s fire sprinklers. All of the store’s employees were able to evacuate safely, and no one was injured.