Firefighters tackle a wildfire at Dunwich Heath, near Leiston, where a major incident has been declared at a large heathland blaze on the Suffolk coastFirefighters tackling a large wildfire near a nuclear power station in Suffolk said they are making “good progress” as engines were brought in from London to help extinguish the blaze. Suffolk Fire and Rescue Service declared a major incident after being called to reports of a fire at Dunwich Heath, near Leiston, shortly after 5.30pm on Wednesday. Smoke rises from a wildfire at Dunwich Heath, near Leiston (Joe Giddens/PA)“So where we were it didn’t seem too bad at all. Power has also been cut to three postcodes across Suffolk, according to an update on Suffolk Fire and Rescue Service’s website on Thursday afternoon. Temperatures have been high at Dunwich Heath (Joe Giddens/PA)Temperatures soared across parts of the UK on Wednesday, reaching into the 30s in some places.