Firefighters performed first aid on a casualty after being called to a caravan blaze at Barnaby Green near Wangford.
The incident at about 8.15pm was dealt with by crews from Halesworth and Wrentham who said LPG gas cyclinders were at the scene.
The fire was tackled from a safe distance using two hose reels.
The victim was left in the care of paramedics and the fire crews left the area at about 9.30pm.
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