Police are appealing for information after 1,500 litres of diesel was stolen from an Esso in Hafodyrynys Road, Hafodyrynys.
A small lorry and a saloon car were seen in the area at the time of the theft which is believed to have occurred in the early hours of Saturday August 8th between midnight and 3am.
If anyone has information about the incident, they are asked to call Gwent Police on 101 or Crimestoppers anonymously on 0800 555 111.