DYFED-Powys Police are appealing for information following a spate of fuel thefts from vehicles parked on Ynyscedwyn Road.
The police said the thefts occurred in Ystradgynlais on: Wednesday, September 6 around 11.15pm; Sunday, September 17 between 10pm and 10.45pm; overnight on Sunday, October 1; and overnight on Monday, October 2.
Anyone with information should call the police on 101. If you are deaf, hard of hearing or speech impaired you can text 07811 311908.