Gwent Police are warning residents to be vigilant after a three petrol thefts took place over the weekend.
The thefts happened between Saturday March 2 and Monday March 4 in the Pontypandy area of Caerphilly.
Two happened in Larch Grove and one in Heol Ty Crwn and each time the fuel lines were cut on the vehicles.
Officers are advising residents to try and park their vehicles in well-lit visible locations.
If any one has any information regarding the thefts they should call 101.