Emergency services evacuated 200 caravans from the park due to the smoke. 18 fire engines attended the blaze (Image: Lucy Taylor)During the day the situation was described as "unstable" and not something that would be quickly resolved. The devastation left behind by the Dunwich Heath fire. The National Trust has closed its Dunwich Heath site, and the RSPB has confirmed that Minsmere reserve is also shut due to the fire. Smoke rises from a wildfire at Dunwich Heath, near Leiston, where a major incident has been declared as firefighters battle a large heathland blaze on the Suffolk coast.