Two people have been arrested following reports of a small explosion on Friday afternoon.
Dyfed-Powys Police said: “Dyfed-Powys Police are investigating the report of a small explosion that occurred at a rural address in Llanfyrnach near Crymych on the afternoon of Friday June 13 2014.
"No persons were injured.
"Police officers immediately attended to preserve the scene and provided a safe cordon.
"Two local men were arrested in relation to this incident and have subsequently been given Police bail whilst enquiries continue.
We are grateful to those affected locally for their patience and understanding”