CONGESTION has been building along the A55 this morning (March 20) following reports of a collision.

Traffic Wales initially reported the incident at Rhuallt Hill at 7.40am.

They added that their traffic officers were on route and advised drivers to 'pass with care'.

An update posted nearly an hour later (8.30am) added that lane one had been closed and that congestion was now 'extending' towards junction 31 at Caerwys, Flintshire.

An AA live traffic update added: "Queueing traffic and one lane closed due to accident on A55 North Wales Expressway Westbound from J29 (Pant-Y-Dulath) to J28 (Rhuallt / Waen). Lane one (Of two) is closed."

We will bring you more information as we get it.