Firefighters were called to Predannack on the Lizard Peninsula yesterday after a report of a fire seen from a distance.
Two fire appliances from Mullion Fire Station were sent just after 7pm and firefighters used beaters to extinguish about three hectares of gorse that was alight.
A Cornwall Fire and Rescue spokesman said: "If you are having a Controlled Burning today please call Fire Control on 01872 320205 and inform us."
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