Thursday 12.30pm: Motorists in Bourne are being warned following a spate of catalytic converters in the town.
The thefts have mainly involved 4x4 vehicles and large goods vehicles, but have involved other cars as well.
Insp Adi Wootton, of Lincolnshire police, said: “We are asking the public to be aware and mindful of these thefts, be vigilant during hours of darkness and utilise lights and other home security measures to try and help deter any potential criminals.
“If any suspicious activity is seen please record as much information as possible without putting yourself in any danger and call the police on 101 as soon as possible. We are investigating these thefts but any extra information that we can get from the community may help us and we are grateful to the public for their assistance.”
Anyone with information about the thefts is asked to call police on 101, or Crimestoppers, anonymously, on 0800 555 111.