Arsonists have struck at a fuel yard in Essex, destroying four lorries.
Fire crews, called to the fire at West Station Yard, Maldon, Essex, at 1840 GMT on Saturday, prevented the fire from spreading to fuel storage tanks.
Essex Police issued an appeal for help to trace a group of teenagers seen running away from the scene moments after the fire began.
Police said that CCTV showed a boy running across the yard before and after the fire.
Fire crews, called to the fire at West Station Yard, Maldon, Essex, at 1840 GMT on Saturday, prevented the fire from spreading to fuel storage tanks.
Essex Police issued an appeal for help to trace a group of teenagers seen running away from the scene moments after the fire began.
Police said that CCTV showed a boy running across the yard before and after the fire.
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