A charger for electric cigarettes sparked a small fire in a bedroom.
Firefighters were called to the house, in Great Horton Road, Bradford, at around 3.30pm on Saturday.
The charger had set fire to the carpet and the bed in a first-floor bedroom.
Firefighters also called for an ambulance for a woman who was suffering from smoke inhalation.
She was treated at the scene, they said.
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