An offender is on the run after a man was stabbed to death in the Launceston suburb of Ravenswood early this morning
A woman is also in a critical condition in the Launceston General Hospital in the wake of the attack at a home on Prossers Forest Road.
Two teenagers also at the home were unharmed.
It's believed the attacker is known to the victims and there's no threat to the wider public.
A police manhunt is underway and the public is asked to avoid the area.