Officials in Laurel County are still investigating the cause of a fire earlier this week. Firefighters responded to an early morning fire in Lily. Crews received a call just after midnight to the 3500 block of Echo Valley Road about the fire. Crews with Lily Fire & Rescue and West Knox Fire Rescue arrived to find a building engulfed in flames. Firefighters were able to extinguish the flames, and no one was injured as a result. No one was inside the building at the time of the fire. At last report investigators had not release a possible cause for the fire.