Police and ambulance issue A55 Conwy Tunnel crash updateThree people were taken to hospital for treatment following the collisionView 3 Images Police blocking access to A55 eastbound by Conwy Marina (Image: David Powell )The A55 North Wales has been closed in both directions following a "serious" multi-vehicle crash at the Conwy Tunnel, sparking a massive emergency response. ‌The Welsh Ambulance Service confirmed it dispatched four emergency ambulances and two high acuity response units, supported by four off-duty paramedics who stopped to assist. "The road has been closed in both directions between the Penmaenmawr Tunnel and the Conwy Tunnel and is expected to be closed for some time. ‌View 3 Images The Conwy Tunnel on the A55 has been closed in both directions following a 'serious' crash (Image: David Powell/ReachPLC)"Diversions are in place and motorists are being urged to avoid the area. The Conwy Tunnel was still reported closed as of 2.45pm.