Police were called to a stabbing in Douglas early this morning.
Officers were called to the scene on Hilltop Rise at about 1:40am - where they found a man with serious injuries.
The victim is in a serious, but not life threatening condition at Noble's Hospital.
A man was arrested nearby and is now in police custody.
A number of witnesses gave an early account of what had taken place, and forensic officers will be at the address today to examine the scene.
Anyone with information is being asked to call Police Headquarters on 631212 or Crimestoppers on 0800 555 111.
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