Three Waters: Govt won't say how clause got through caucus

Senior ministers are refusing to explain how a contentious Three Waters clause got through caucus - insisting the mistake was made as a team, and would be fixed as a team. The minister at the centre of the controversy won't take any responsibility for the blunder. Nanaia Mahuta suggesting if her caucus colleagues had read what they were voting on, they would've been aware of what was happening. Admitting a mistake was made, Labour's been forced to vote down an anti-privatisation clause, as it breaches a fundamental constitutional convention. Here's our political editor, Jane Patterson.