The National Party has thrown down an electoral challenge - we won't make any deal with New Zealand First post election, so don't waste your vote on them.
It's a high-stakes gamble, attempting to knee-cap the government's coalition partner.
In response, New Zealand First leader Winston Peters said he was "unfazed" and suggested that Bridges would pay a high price for the move - saying if National needs New Zealand First and if Bridges doesn't call him then another member of the National caucus will.
Mr Bridges speaks to Corin Dann.
