Emergency services are in attendance at an incident at a secondary school in west Wales.

There have been reports of a stabbing at Ysgol Dyffryn Amman in Ammanford, Carmarthenshire on Wednesday.

Wales Air Ambulance have confirmed two helicopters attended the incident, with one now en route to University Hospital of Wales in Cardiff.

Concerned parents have posted online that the school is locked down, with pupils being held in their classrooms.