A youth has been arrested after a medical professional was critically injured at a Tasmanian hospital.
Police were called to the North West Regional Hospital in Cooee, on the state's northwest coast, following reports someone had been wounded.
They took a youth into custody a short time later.
The victim has been airlifted to the Royal Hobart Hospital in a critical condition.
Police say the incident was isolated and there is no threat to the wider community.
Investigators remain at the scene.
