7NEWS at 6pm: – A once in a generation flood in unfolding in the New South …

7NEWS at 6pm:
– A once in a generation flood in unfolding in the New South Wales mid-north coast.
– A man is in hospital after being attacked with a tomahawk outside Bracken Ridge Woolworths.
– A mid-air scare for passengers at Brisbane airport.
– And why the price of prawns are about to go through the roof.