Apartment Building, Residential Austin, TX – Sprinkler system helps limit spread of 3rd floor apartment fire April 26, 2017 viking210 At least 2 people were displaced after an overnight fire at a southeast Austin apartment complex. Firefighters say the sprinkler system helped contain the fire to a 3rd-Floor apartment. According to the fire department, an improperly discarded cigarette triggered the fire. Damage is estimated to be $18.000. None was injured during the incident, according to AFD.