Officers received reports that a man had made violent threats towards a woman in Royal Avenue on Thursday September 3 at 11pm.
The victim - a woman in her mid-20s - suffered minor injuries in the incident. She is being supported by the police while enquiries continue.
The police helicopter was deployed to help officers on the ground search for the man.
At 12.05am, a 21-year-old man was arrested at Plantation Hill. He remains in custody for questioning.
Witnesses to the incident or anyone with information are asked to call North Yorkshire Police on 101, select option one, and speak to the force control room.
Information can also be passed on anonymously via Crimestoppers on 0800 555111 or online at www.crimestoppers-uk.org Police ask that any details are passed on using reference number 12200154487.