Police have released CCTV images of three men they want to speak to in connection with an attempted theft from a parking meter in Chaucer Road, Bedford.
Offenders broke into the machine on Friday, December 19, but no money was stolen.
There has been a series of similar attempts across the county.
Anyone who recognises the men or has any information about these thefts should call Claara Pidgeon, in confidence, at Bedfordshire Police on 101, or text information to 07786 200011.
Alternatively you can contact the independent crime fighting charity, Crimestoppers, anonymously, on 0800 555 111.