RANCHO MURIETA, Calif. (KTXL) — Firefighters in Rancho Murieta are battling the Grant Fire, which started near Boys Ranch Road and Scott Road on Thursday. 

The fire burned 50 acres and reportedly spread at a moderate speed. 

Sacramento Metropolitan Fire District crews went to the scene as did air resources. Residents were asked to stay away from the area so crews could get to the scene.

Officials said two structures were damaged, but crews were able to contain 35% of the fire. Firefighters remained at the scene Thursday evening to take care of hot spots.

What caused the fire is under investigation.

This is a developing story.