Apartment Building, Residential Knoxville, TN – Sprinkler contains apartment fire to stovetop area March 24, 2015 viking210 Knoxville Fire Department responded to an apartment on fire at the Lyons Den Apartments off of Valley View Road in North Knoxville. When firefighters arrived, they found that a ceiling sprinkler had gone off and contained the damage to the stovetop area where the fire started. Firefighters plugged and replaced the sprinkler head. The fire department tweeted today from its official account that a sprinkler had done its job and saved them a lot of work. A sprinkler head does its job, contains fire