TWO people are in hospital with 'life-threatening' injuries following a 'serious' RTC near Glyndyfrdwy last night. 

The single-vehicle collision occurred on the A5 near Glyndyfrdwy at around 8.45pm on Saturday evening (August 12). 

The road was closed by police until close to 6.30am this morning. 

The force are now investigating the circumstances of the collision and are appealing for witnesses to come forward with any information. 

READ MORE: Two people taken to hospital following crash on A55 in Flintshire

A spokesperson said: "We are investigating the circumstances surrounding a serious single vehicle RTC that occurred shortly before 8.45pm last night (Saturday), on the A5 between Llangollen and Corwen, near Glyndyfrdwy.

"We are appealing for anyone who was travelling on the A5 in this area, and who may have seen a black Audi A8, or who has dashcam footage prior to the incident, to make contact with us. 

"It is understood the Audi was travelling from the Llangollen area towards Corwen. The road was closed until approximately 6.30am this morning. Two people were taken to hospital with life threatening injuries.

"If you have any information that may help us, please contact us via our live webchat or on 101 quoting ref. A128630."