It was Chris versus Chris in the House this afternoon, as Hipkins went toe-to-toe with Luxon in the House today
The Prime Minister drew first blood in his response to accusations from Labour that he's unable to control his Cabinet.
Chris Hipkins was quick to fire back - and asked if Nicola Willis was more likely to replace the Interislander ferries or Luxon as Prime Minister by the end of the year.
ZB senior political correspondent Barry Soper says it was a memorable session in Parliament.
LISTEN ABOVE

Gavin Grey: UK correspondent on Labour's poor showing at the local elections
03:41

Geoff Bertram: energy economist on the Greens calling for the Government to bring down power prices
05:43

Shane Solly: Harbour Asset Management expert on the market reactions to the 'no deal' announcement on the Middle East conflict
03:07