Three children suffered serious injuries after a car landed on its roof on the A55 at Abergwyngregyn.

The car collided with the central reservation and overturned on the westbound carriageway at about 8.30am on Wednesday morning.

At least two of the children were taken by air ambulance to Alder Hey Children's Hospital in Liverpool.

North Wales Police are appealing for witnesses to come forward with information.

PC Eifion Jones of the Roads Policing Unit said: “We are appealing to anyone who witnessed the collision or who may have seen the silver Volkswagen travelling along the road prior to the collision to come forward.”

“We would also like to speak to anybody who may have dash cam footage from their vehicles prior to the collision.”

Please contact the Roads Policing Unit in St Asaph on 101 quoting reference X121044.

Motorists were asked to avoid the area as emergency services dealt with the incident which caused severe disruption.

The A55 westbound between J12 Tal-y-Bont to J15 Llanfairfechan was closed and one lane of the eastbound carriageway was also closed.

A spokesperson for North Wales Ambulance service said: “We were called on Wednesday, August 21at approximately 8:32am (Wednesday) to reports of a road traffic accident involving a single vehicle on the A55 near Abergwyngregyn.

"We responded with two emergency ambulances and our crew was supported by the Wales Air Ambulance.

"One patient is being transported by road ambulance to Ysbyty Gwynedd Hospital, Bangor and two patients are being transported by air ambulance to Alder Hey Children’s Hospital, Liverpool.”