Two men are being held on suspicion of wounding after an alleged stabbing in Caernarfon town centre.
It follows an attack on a man near the Spar store on Y Maes on Tuesday night. His injuries are unknown.
Police confirmed they arrested two men in the Bro Seiont area of the town on Wednesday after they were identified as suspects. Officers from the North Wales and Cheshire dog unit were also involved, along with a police helicopter.
A North Wales Police spokesperson said their inquiries into the assault were continuing. No further details are available.