An estimated £19,000 worth of cigarettes and tobacco were stolen during a burglary at Tesco Petrol Station in Risca.
The break-in happened between 11.45pm on Tuesday April 30 and 5am on Wednesday May 1. Police have issued these CCTV images as part of their investigation and would like to speak to the three people pictured.
People with information about the incident should call Gwent Police on 101 or Crimestoppers on 0800 555 111.