Smoke from a brush fire in Simi Valley is captured by AIR7 HD on Friday, Aug. 14, 2015. (KABC)
A plume of smoke erupts from a brush fire in Simi Valley on Friday, Aug. 14, 2015. (KABC)
Flames burn through dry brush on a hillside in Simi Valley on Friday, Aug. 14, 2015. (KABC)
A ring of fire covers a hillside in Simi Valley on Friday, Aug. 14, 2015. (KABC)
Flames from a brush fire lash out near homes in the Wood Ranch neighborhood of Simi Valley on Friday, Aug. 14, 2015. (KABC)
A fire charred acres on a hillside in Simi Valley on Friday, Aug. 14, 2015. (KABC)
ABC7 viewer Jeannetta Purdue-Rizkalla took a photo of a helicopter dropping water on the Rustic Fire right behind her Simi Valley home on Friday, Aug. 14, 2015. (Jeannetta Purdue-Rizkalla)
ABC7 viewer Andy Ryan captured visible smoke from the Rustic Fire all the way in the Santa Clarita Valley on Friday, Aug. 14, 2015. (Andy Ryan)
ABC7 viewer Tim Keagy captured an image of black smoke from the Rustic Fire out in Newbury Park on Friday, Aug. 14, 2015. (Tim Keagy)
SIMI VALLEY, Calif. (KABC) -- A fast-moving brush fire threatened homes near a hillside in Simi Valley Friday afternoon.