Long delays are expected near Caernarfon.
A PART of a road in Gwynedd has been blocked this afternoon following a crash involving two vehicles.
North Wales Police and the Welsh Ambulance Service have been dealing with a road traffic collision on the A487 roundabout between Dinas & Llanwnda on the outskirts of Caernarfon.
One lane has been blocked, causing long tailbacks and build-up of traffic in the area. Drivers are being advised to avoid the area and use an alternative route.
More to follow.
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