A donation from Donghua Liu to a rowing club linked to a former Labour Cabinet minister has been confirmed.

Prime Minister John Key has added his voice to calls for Donghua Liu to put up or shut up over his donations to Labour.

Labour's Tukituki candidate rejects a claim that she was once a National supporter, despite a photograph of her and PM John Key tweeted in 2011.

Millionaire businessman Donghua Liu has confirmed for the first time that he donated to the Labour Party.

John Roughan writes: Nine months ago, I received an offer that gave me excitement and trepidation. Would I like to write a book on John Key? Would I!

Kiwis are interested in very little, if the PM is to be believed. The America's Cup is the latest in a long list of things Mr Key has declared NZ to be unconcerned about.

Letters of support from two Government MPs for Donghua Liu's citizenship bid have been kept secret - despite two Labour politicians' letters for Liu being released this week.

This gaming of the system is not new, writes Brian Rudman. What is different this election is that instead of it being nudge-nudge, wink-wink, it's become formalised.

New Herald poll shows Internet-Mana would get two MPs, as their success eats into the Greens vote while National is still well ahead of Labour.

Yet another poll - the Herald-DigiPoll survey today - suggests National is heading for a decisive re-election in September.

Ex-NBR owner Barry Colman recently gave the National Party $50,000 - the first time the wealthy publisher's contribution has had to be disclosed.

List MP Claudette Hauiti has been selected as the National Party candidate for Kelston.

Paul Goldsmith was gasping like a fish out of water, writes John Armstrong. When he did find his voice, he made an absolute hash of answering the reporter's questions.

Left leaning political commentator and academic Bryce Edwards has pulled out of Otago University's Vote Chat online politics show over concerns the programme is now dominated by National Party supporters.

With 100 days to go until election day on September 20, the political parties - no doubt fibbing through clenched teeth - profess to be ready. Or close enough.

David Cunliffe may well be proud that red is the colour of socialism, writes Claire Trevett, but he can't afford a re-enactment of Thrones' Red Wedding.

The Chinese businessman whose links to the National Party led to Maurice Williamson's resignation has a good chance of avoiding a conviction on domestic violence charges.

Taxpayer funding for National and Labour's election campaign broadcast advertising has been cut for this year's election but the Greens and NZ First will enjoy a substantial boost.

If John Key expected to be asked the soft questions when he bowled up for Question Time with school children in Niue yesterday, he was sorely disappointed.

Instead of trading personal abuse I challenge Bob Jones to a public debate on drone strikes and our mass surveillance society, writes John Minto.

A wealthy Auckland businessman, whose links to the National Party led to a senior minister's resignation, gave cut-price real estate deals to a Chinese politician.

John Key's National Government is enjoying a Budget lift higher in two new polls, and appears to have moved on from the conflict-of-interest scandals.

Editorial: The Prime Minister made a little-noticed announcement last week that could have much louder repercussions in this year's election campaign.

Prime Minister John Key is predicting a "tight and tough" election with the Government up against a "left wing block" of parties.

Prime Minister John Key has declared previous ownership of a racehorse, days after Winston Peters was accused of hiding his interest in a horse.

Justice Minister Judith Collins is back in Parliament today, and is set to face more questions from the Opposition.

Migration pressures which Labour says are contributing to a housing crisis were worse under Helen Clark's Government.