A large wildfire in South Wales has caused smoke to spread across parts of Gloucestershire, prompting local authorities to advise residents to take precautions. The wildfire, which has been burning for several hours, has produced significant smoke affecting air quality in neighbouring regions. As a precautionary measure, people in Gloucestershire are being advised to keep their windows and doors closed to reduce the impact of the smoke indoors. Emergency services continue to monitor the situation closely as efforts to contain the fire progress.