SAN DIEGO (FOX 5/KUSI) -- Crews are responding to a vegetation fire in the Otay Mountain Wilderness area, officials with Cal Fire confirmed Saturday afternoon. The fire, located east of Otay Mesa, was reported to be between 10-15 acres as of 2:50 p.m. Fire officials say it has the potential to burn up to 200 acres. No evacuation orders have been made at this time and no structures are currently threatened. Cal Fire is being assisted by crews with San Diego Fire-Rescue and deputies with the San Diego County Sheriff's Department are also responding. This is a developing story. Please check back for updates.