UPDATE: The road is now open.

The A438 between Clyro and Rhydspence is currently closed due to a collision.

Dyfed-Powys Police has asked road users to avoid the area.

The collision is on the English/Welsh border and a busy main road in and out of the county, particular those heading towards Hay-on-Wye or Brecon via Glasbury.

More details likely to follow.