People affected by the smoke are being advised to stay inside where possible and keep windows and doors closed to prevent smoke entering their homes. Llanwrthwl, marked by the red pin, where firefighters are tackling an ongoing wildfire that has prompted residents to keep windows and doors closed due to heavy smoke. A spokesperson for Mid and West Wales Fire and Rescue Service said: "The fire is currently producing a large quantity of smoke. "If smoke is affecting your area, residents are advised to stay indoors where possible and keep windows and doors closed. "Once the smoke has cleared and it is safe to do so, open windows and doors to help ventilate your home."