The A55 has been closed westbound.
The Conwy tunnel is understood to have been shut as a result of an incident.
It is understood debris is being removed from the road.
If you have some information you can contact us by following our Twitter feed @northwaleslive - the official North Wales Live account - real news in real time.
Or like facebook.com/northwaleslive/ - your must-see news, features, videos and pictures throughout the day from the North Wales Live.
Don't forget you can also keep up to date with the latest via the free North Wales Live app.
Download it for Apple devices here and Android devices here .