Firefighters from six fire stations are dealing with a fire at a cafe at Carbis Bay.
Pumping appliances from St Ives, Penzance and Camborne, the water carrier from Helston, the operational support unit from Falmouth and the incident command unit from St Just are at the scene.
A spokesman said that when the crews arrived they found found the building, approximately 20 meters by 10 meters to be well alight, with the fire also involving a 13KG propane gas cylinder.
Online one eyewitness said: "Fire broken out in the cafe under renovation. Hotel staff were evacuating beach."