VIDEOS/PHOTOS: Three adults were displaced and a firefighter was injured after a house fire in Baton Rouge early Tuesday morning. The fire got underway around 5:30 a.m. at a home in the 9400 block of Redwood Drive near Monterrey Boulevard. Investigators believe an electrical malfunction in the upstairs addition to the home caused the fire. A spokesman with the Baton Rouge Fire Department confirmed crews arrived to find three residents outside of the house and safe. The entire upper story was engulfed in flames when crews arrived. One firefighter received minor burns to his shoulder and is being treated. The home is considered a total loss. As of 7 a.m., crews said the fire was under control. The Red Cross was called to help the displaced residents.