Crews from Preston Circus responded to a fire alarm sounding at a property in Belbourne Court, Bread Street, Brighton, on 29th January at 03.31am.
Firefighters confirmed that a consumer electrical unit was on fire and that the first floor of the property was heavily smoke logged.
Four breathing apparatus, a hose reel jet along with a main jet were used to extinguish the fire. A positive pressure ventilation fan was used to disperse smoke from the property.
One female casualty was conveyed to hospital by Ambulance suffering the effects of smoke inhalation