Nassau County firefighters tweeted that they "are on scene of a large fast moving brush fire north of Hilliard" on Saturday afternoon.
Annaleasa Winter, the Wildfire Mitigation Specialist for the Florida Forest Service, said the fire affected six acres and is 100% contained.
Nassau and Charlton County fire rescue units responded to the scene.
Forestry dozers have contained a 6 acre wildfire at Andrews road and US, 1 north of Hilliard. 1 structure was threatened but saved— FFS_Jacksonville (@FFS_Jax) April 1, 2017