Two people are in hospital following 'a serious incident' in Barnstaple on Monday 26 October.
Police were called to Bear Street at around 4.20pm following reports of a disorder involving three people.
Two men, both aged in their 30s, were taken to hospital - their conditions are not currently known.
A 40-year-old man from Barnstaple was arrested at the scene and he remains in police custody.
Police are not currently looking for anyone else in connection with the incident.
A police cordon is still in place while enquiries are ongoing.
Members of the public are being asked to avoid the area.