Apartment Building, Residential Vernon Hills, IL – Sprinkler system extinguishes fourth floor apartment fire July 11, 2018 viking210 Nobody was injured in a Vernon Hills apartment fire Saturday afternoon, officials said. Crews from the Countryside Fire Protection District were called to the apartment on the 1200 block of N. Museum Boulevard just before 3 p.m., according to a news release. When they arrived, residents were evacuating, and water was coming from a unit on the fourth floor, officials said. The fire already had been extinguished by the building’s sprinkler system. Investigators determined that the fire was caused by hot cigarettes put in cardboard box inside a closet.