A teenager has been arrested and remains in police custody following an overnight incident involving threats with a gun.

Dyfed-Powys Police has confirmed that the teenage boy was arrested in the Ammanford area overnight, following threats involving a firearm.

Officers said that a warrant was executed at an address in the area, and police have recovered a BB gun.

Dyfed-Powys police said that the teenage boy remains in police custody this morning.