A SUSPECTED arson attack caused damage to a barn in Raydon, near Hadleigh, on Sunday.
Police were called by fire crews who battled the blaze from 8.45pm.
Crews from Hadleigh and Ipswich arrived to find the barn, which contained antique farm machines and wooden crates, on fire.
An extra crew was called, and the fire was eventually brought under control by 10pm.
A police spokeswoman said: “Fire crews had received a 999 call from a neighbour.
“The fire is being treated as suspicious – we do not know how it was started.”
Anyone with information should contact Pc Beth Harper from Hadleigh Police on 101.