Two people have been taken to hospital following reports of a "serious assault" in north Devon, said police.
The Devon and Cornwall force said officers were called to Bear Street in Barnstaple at about 16:20 GMT.
Two men, both aged in their 30s, have been taken to hospital with serious injuries. Their conditions are not currently known.
A 40-year-old man from Barnstaple was arrested at the scene and he remains in police custody.