Primary / Secondary School, School / University Tyler, TX – Sprinkler system helped contain fire in high school science room December 10, 2016 viking210 The Tyler Fire Department brought a fire in a science room at John Tyler High School under control about 6 p.m. Wednesday, District Chief Cordell Parker said. The fire department received a general fire alarm about 5:30 p.m. The first fire unit on the scene reported smoke, prompting a regular fire alarm and additional units from the fire department responded, including three fire engines and a ladder truck. The sprinkler system was activated and helped contain the fire in the science room, Parker said. The cause of the fire is under investigation.