Firefighters tackled a blaze at a Braintree truck yard this morning.
Crews arrived at Armill Lift Trucks in Crittall Drive, at the Springwood Industrial Estate, just before 6am to find a temporary building structure containing two fork lifts and a van fully alight.
At 6.21am, firefighters wearing breathing apparatus were using one hose reel and one main jet to control the fire.
The fire was under control by 6.50am.
Crews used one hose reel, one jet and foam to douse the flames.
Five fire engines from Braintree, Halstead, Coggeshall and Frinton attended the scene.
An investigation between the police and fire service was carried out today.
A police spokesman said: "It was originally thought to be suspicious but a fire investigator said it was accidental.
"There will be no further police involvement."