Emergency crews responded to a residential fire in the Bingley area of the Bradford district on Monday afternoon.
West Yorkshire Fire and Rescue Service personnel were dispatched to the scene on Beech Street at approximately 5:19pm.
The fire broke out inside a flat situated within a sheltered housing complex.
According to information released by the fire authority, the flames damaged approximately half of the residential unit.
Firefighting teams deployed a hose reel appliance to suppress the blaze while operational crews equipped with breathing apparatus entered the accommodation.
Service members also utilised positive pressure ventilation machinery, a standard tool employed to clear smoke from structures following fire incidents.
The emergency was categorised as a property fire by the rescue service.
The operational response involved two breathing apparatus sets and a single hose reel jet.
No details regarding possible casualties or the origin of the fire have been provided by West Yorkshire Fire and Rescue Service as of the latest available information.