VIDEO: Fire crews were called out to a house fire overnight, but when they struggled to find the flames, according to the Unified Fire Authority. Smoke in the area of 7800 S. 3100 E. made it hard for crews to locate the affected home. Just after 2 a.m. firefighters were able to locate the flames and extinguish them. All four family members who live inside the home were able to escape with no injuries. Crews discovered that the fire started in the chimney, according to the Unified Fire Authority. It is unknown at this time what started the fire.