Fire crews are battling a fire near eastbound Interstate 8 and Lake Jennings Park Road in Lakeside.
Crews from Cal Fire and Heartland Fire were called at 1:40 p.m. to what is being called the Harbison Canyon Fire.
The fire was burning at a rapid rate of spread in an area described as having medium fuel.
In less than an hour, 30 acres burned, Cal Fire officials said.
By 2:45 p.m., 150 to 200 acres had burned.
There was no current structure threat.
There were no evacuation orders issued at this time in the Harbison Canyon Fire.
However, the San Diego County Sheriff's Department advises residents to monitor the news for updated information.
California Highway Patrol officers issued a Sig Alert for I-8. The interstate has been closed in both directions between Tavern Road and Lake Jennings Park Road until further notice.
Drivers on State Route 52 could see the smoke as far as Tierrasanta and Mission Trails.
Are you and your family prepared for a brush fire?
County officials advise residents to download the free emergency smartphone application SDEmergency and follow three key steps.
GET READY: Do your 100-foot defensible space in advance
GET SET: Have an emergency plan. Pack your car when Santa Anas arrive.
GO: When told to leave, leave.
Photo Credit: NBC 7 San Diego
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