Leaders face off one last time before voting closes

With just two days to go before voting closes, the two men vying to be Prime Minister have gone head-to-head for the last time this campaign.
It comes as polls predict a National Party victory - but a complicated one requiring New Zealand First's support.
It perhaps explains last night's fractious affair - with a whiff of desperation on both sides.
Deputy political editor Craig McCulloch was in the audience.