Over 500 litres of red diesel have been stolen from a construction company in Ramsey.
Police say it was taken from a bowser at some point over the Bank Holiday weekend.
The fuel belonged to a company which was working on a site in the area of Ballure Glen.
Police have asked people to ensure all fuel tanks, sites and premises are properly secured.
Anyone who has any information in relation to this theft has been asked to contact Ramsey Police Station.
Wine bar to shut its doors
Piece of iconic castle's history up for auction
Outdoor centre saw 6,000 visitors in 5 years, costing £1m
You'll see more armed officers because of training this week
DHSC says it's not connected to controversial software firm
Some bus passengers may need to switch stops temporarily
Airport passenger figures up on last year
Professor urges registrations as votes really count in Manx elections