The crash occurred on the the A478 between Llandissilio and Efailwen, and the road is currently closed in both directions. Drivers are being advised to avoid the area and use alternative routes where possible. A spokesperson for Dyfed-Powys Police said: "The A478 from Llandissilio to Efailwen is currently closed due to a collision. According to AA Route Planner, the road is currently closed in both directions on the A478 between Heol-Y-Llan to the Rhydwilym turn off. Traffic is moving slowly in the area and it is not yet know how long the road will be closed for.