A man is in a serious condition in hospital after falling from his motorbike on the A55 near Bryngwran.
The crash occurred between junctions 5 and 6 eastbound (Engedi – Nant Turnpike) at around 5.20pm on Saturday evening.
Police said the motorcyclist was taken to the Royal Stoke University Hospital with serious injuries. The road remained closed for over three and a half hours while an investigation into the crash took place.
Anyone who may have witnessed the collision is urged to contact North Wales Police on 101, quoting reference no. W047470.