Two breathing apparatus sets and two hose reel jets were used by firefighters to extinguish a bedroom fire at a property in Tenby on Monday evening.
Two fire appliances from the town and the emergency tender from Haverfordwest attended the blaze which was confined to a first floor room at 27 The Maudlins shortly after 6 pm.
One female person escaped prior to the arrival of the brigade and was treated in an ambulance at the scene for smoke inhalation.
Two neighbours were also treated by the fire brigade for smoke inhalation.