Crews from Bognor and Littlehampton are attending a fire in Yapton this afternoon.
Reports have come in about 'quite a big' fire at the back of a rifle range on Burndell Road.
West Sussex Fire and Rescue Service confirmed crews were called at 3.36pm.
Residents have been warned to avoid the area.
A spokesman for WSFRS said on Twitter: "We are currently at the scene of an incident on Burndell Road in Yapton. Crews from @BognorFire and @LittlehamptonFS are currently in attendance. Please avoid the area for the time being."
More information to follow.