A man in his 30s is in hospital and three men are in custody following an incident at the Brae Hotel yesterday.
Shetland police were called to the “disturbance” at about 4.20pm in which one man received non-life threatening injuries.
Chief inspector Angus MacInnes said: “This disturbance, which involved people local to the area, was dealt with by local officers in a quick and efficient manner and our inquiries into the circumstances remain ongoing at this time.
“We are keen to speak to anyone who has any information about the disturbance.”
Police could not release any further information.
Officers were at the scene along with the ambulance service on Monday evening. Some were guarding an area in the village while others were on patrol.
Witnesses said there were at least four police vehicles and two ambulances in attendance.
In an earlier incident one vehicle crashed in the Staney Hill/Hoofields area earlier this evening. Police said two people were in custody. Nobody suffered any injuries.
Anyone with more information about the two incidents should call police on 101 or Crimestoppers anonymously on 0800 555 111.