Crews continue to battle a blaze at Dunwich Heath (Image: Facebook/Richard Gapper)The fire began at Dunwich Heath in Suffolk around 5.30pm on Wednesday and has since spread rapidly, prompting a major incident declaration and extensive emergency response. Members of the public have also been asked to stay clear of Dunwich Heath for their own safety. Helicopter helps battle fireA helicopter collecting water near Sizewell B to drop on the fire at Dunwich Heath. Crews enter second day of blazeA minimum of 12 fire engines remained overnight at Dunwich Heath as a wildfire continues into a second day. More than 120 firefighters have been involved with the major incident at Dunwich Heath, which broke out at 5.30pm on Wednesday afternoon.