Police are warning people to be on their guard following reports of thieves stealing red diesel from isolated farms in the area.
Officers say thhat they have identified suspects but are asking people to remain vigilant and take steps to protect your property.
A spokesman said: "Consider locking and concealing fuel tanks using a fence or similar to make them less accessible to thieves. You could also consider fitting an alarm to fuel taps and caps.
Report any suspicious activity to Police using 101 or 999 if offenders are nearby or a crime is being committed.
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