SOUTH Wales Police are the scene of an ongoing incident in Trinity Street, Gorseinon.
Armed officers were deployed alongside local units following reports of a domestic disturbance.
Officers needed to gain entry to a property and neighbours are likely to have heard loud noises as a result. No firearms have been discharged.
A man has been arrested in connection with the incident and is currently in custody.
A number of neighbouring properties in Trinity Street have been evacuated as a precautionary measure and a cordon remains in place while officers carry out a full search of the property.
Residents are thanked for their cooperation and patience while we deal with this incident.