This video was shot at the scene of a brush fire along Interstate 805 in National City on Sunday, Feb. 23, 2014.
Firefighters are investigating the cause of a brush fire in National City.
Dramatic video shows flames reaching up to 30 feet in the air.
Traffic was stopped at the intersection of Interstate 805 and State Route 54, around 3 a.m. Sunday.
Parts of the 805 were closed in order to knock the flames down.
Firefighters say the area was isolated so no structures were threatened.