A man has been flushed out with tear gas and arrested after he presented a firearm at police in Palmerston North.
The police were in the suburb of Roslyn investigating a related fleeing driver incident shortly before 4:30 this afternoon.
They said a man presented a firearm at police from a Clyde Crescent property.
He refused to exit the property and at 8.45pm tear gas was deployed.
Police have arrested the man.