Four fire engines and around 25 firefighters were called to a fire at a mobile food van on Brockwell Park in Herne Hill.
The van was badly damaged by fire. Part of a neighbouring mobile food van was also damaged by fire. There were no reports of any injuries.
The Brigade was called at 2141 and the fire was under control by 2225. Fire crews from Brixton and West Norwood fire stations attended the scene.
The cause of the fire is under investigation.