Donald Trump has gone against American democracy by stating he might not accept the results of next month's election if he felt it was "rigged".
Every losing presidential candidate in modern times has accepted the will of the voters, even in close races.
It was a standout moment in a campaign already full of shocking twists.
US correspondent Lachlan Cartwright spoke to Paul Henry about it, as well as Brad Pitt's first visitation with his son, Maddox.
US political expert, Dr Maria Armoudian, also joined us to discuss Mr Trump.