Multiple crews are on the scene of a 120-acre brush fire between Sun Valley and Golden Valley on Thursday, Sept. 20. According to the BLM, the Chimney Fire started about 12:15 p. m. and has burned at least 120 acres with no containment. According to TMFPD, forward progress has stopped at this time. The fire is not currently threatening any structures. No word on what caused the fire. Check back on this developing story as News4 has a crew on the scene.