One person was treated for smoke inhalation and residents were evacuated from their homes after a fire broke out in a house and spread to two adjoining properties.
Firefighters were called to the mid-terraced house in Spring Mews, Andover, on Tuesday, at about 22:00 GMT.
The casualty was treated by ambulance crews at the scene.
All affected residents were led to safety by fire crews. The fire was put out shortly before midnight.