The collision occurred on the A40 between Arnold’s Hill and Haverfordwest around 3.35pm. Following the crash, there was a build-up of traffic, and one lane was blocked. A spokesperson for Dyfed-Powys Police said: “Officers are at the scene of a road traffic collision on the A40 between Arnold’s Hill and Haverfordwest which occurred at about 3.35pm, this afternoon. “One lane is currently closed.”