A householder was given oxygen after a blaze at premises in Lancaster.
Firefighters were called to Hala Square at 4.45am today.
Two fire engines from Lancaster attended a fire involving a kettle which had been left on the hob.
Firefighters used a ventilation unit to extinguish the fire and clear smoke from the property.
One person was given oxygen therapy by firefighters before being passed over to paramedics for a precautionary check.