Avon Fire and Rescue firefighters have been tackling a well-developed fire at a Bath restaurant on Argyle Street.
When crews arrived on the scene at Thai By The Weir they found a well-developed fire in the five storey building.
A female, thought to be in her 30s, is being treated at the scene by paramedics for suspected smoke inhalation.
Five fire engines are on scene and four firefighters wearing breathing apparatus are dealing with the fire.
It is believed to have started in the basement of the restaurant.