Gwent Police is appealing for information, or witnesses to come forward, after a horde of jewellery worth tens of thousands of pounds was stolen from an Argos store.
Thieves raided the catalogue store, in Castle Court Shopping Centre, Caerphilly town, during the early hours of Thursday January 20.
Police have said the burglars forced their way into the store and took a large quantity of jewellery.
Anyone who may have seen somebody acting suspiciously, or spotted any suspicious vehicles in the area, is asked to contact Gwent Police on 01633 838111 or Crimestoppers anonymously on 0800 555 111.