THIEVES attempted to steal diesel from underground storage tanks at a garage in Great Horkesley.
A spokesman for Essex Police said: "Suspects were disturbed while trying to steal diesel from the underground storage tanks at the petrol garage at The Causeway around 1am in the morning.
"Police have recovered a white Ford Transit from the scene and enquiries are on-going."
The incident took place on August 9.
Anyone who witnessed any suspicious activity in the area is asked to contact PC Karen Mortimer at Colchester Police Station on 101.
The spokesman added: "Owners of fuel tanks are reminded to consider crime prevention measures to protect their property."