A man has been arrested following a two-vehicle crash in Caernarfon which left another man seriously injured.
Emergency services were called to the A4871 road at just after 11am on Tuesday morning.
Police said one man was later taken to hospital with life changing injures.
A 43 year-old man arrested in connection with the incident has since been released but remains under investigation.
Sergeant Katie Davies of North Wales Police said: “I am appealing for anybody who witnessed the incident and hasn’t already spoken to police, to make contact with us."
“Furthermore, I am appealing to anybody who was travelling along the A4871 around the time of collision and has dashcam footage to contact us."
“Investigations into the collision are ongoing and I would encourage anyone with information that could assist our enquiries to contact police.”
Anyone with information should contact North Wales Police on 101 or visit the force's website, quoting reference no. C064663.
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