A major incident was declared Tuesday after a bus crashed on the A484 near the Kidwelly roundabout in Carmarthenshire, Wales, police confirmed.

Emergency services rushed to the scene following the collision, which took place on a main arterial road serving south-west Wales.

Dyfed-Powys Police confirmed the incident but had not released casualty figures or a cause of the crash at the time of publication.

The BBC reported the declaration of a major incident, a formal threshold that triggers a coordinated multi-agency emergency response involving police, fire, and ambulance services.

The A484 connects Carmarthen to Llanelli and carries significant local and commercial traffic through the Kidwelly area.

A full update on casualties and road closures is expected from Dyfed-Powys Police as the emergency response continues.