Motorists in Clitheroe are being urged to lock their cars and not leave valuables on display.
The warning has been issued by Insp. Graham Lister after a string of thefts.
In the first incident, thieves targeted an unlocked VW Golf parked on Victoria Street, Clitheroe and made off with a sat nav worth £100. Police say a VW van parked on High Street had a sat nav and Toshiba laptop stolen from it. The goods are valued at £600. Both thefts happened overnight June 5th into June 6th. In the latest incident, thieves struck a Seat Leon parked in West View some time between 8 pm on June 3rd and 9 am on June 5th. They escaped with sunglasses, CDs, an ambulance high visibility jacket and a hard hat worth an estimated £270 in total. In the wake of these thefts, police patrols in Clitheroe have been increased .