CATALYTIC converters were stolen from several cars in a compound in Droitwich.
The vehicles were in the locked area on Salwarpe Road when the theft happened around 11pm on Tuesday.
Thieves steal the devices as they contain special and expensive metals which can be valuable when sold on for scrap.
Droitwich Police Safer Neighbourhood Team have urged anyone with information on the thefts or anyone who is aware of items matching the description being sold on to call offivers on 101 or Crimestoppers on 0800 555 111.
People are urged to always call 999 if a crime is in progress.
Drivers in Droitwich are being urged to be vigilant in case the thieves strike again.
