SOUTH SALT LAKE, Utah — A gas leak caused by a power line downed during a truck fire led to evacuations in South Salt Lake late Thursday afternoon. The incident, which occurred at approximately 5:20 p.m., quickly escalated into a dangerous situation that required swift action from local emergency responders. The fire began when a power line fell and ignited a truck fire. As firefighters from the South Salt Lake Fire Department and the Unified Fire Authority responded to the scene, they discovered that the ground and a gas meter had also caught fire. Further investigation revealed a gas leak…