Police are appealing for information following a collision on the A470.

North Wales Police said a local woman in her thirties was airlifted to The Royal Stoke Hospital by the Welsh Air Ambulance following the collision yesterday and an arrest has been made.

The collision occurred near the entrance to Trawsfynydd Power Station shortly after 8.30pm last night.

Sergeant Raymond Williams from the Roads Policing Unit said: “I hope the young lady makes a good recovery.

“I am appealing to anyone who was travelling on the road between the village of Trawsfynydd and the entrance to the Power Station between 8.25pm and 8.35pm or may have dashcam footage that shows a blue 08 plate Audi A3 driving on that road prior to the collision to contact us.

"If you have any information, please get in touch via webchat or by calling 101, quoting reference 21000454559.

“The road was closed in order to carry out a full forensic investigation into the collision and I am grateful for the patience shown by road users whose journey may have been inconvenienced due to this incident.”

The road reopened just before 3am today.

The man who has been arrested on suspicion of causing serious injuries through dangerous driving and driving whilst over the prescribed limit of alcohol, remains in police custody.