Former Green Party MP Elizabeth Kerekere doesn't believe she's entirely to blame for the Party's four percent point slump in the polls.

The now Independent MP quit the Greens two weeks ago amid an investigation into bullying accusations against her.

Kerekere says that she takes responsibility for sending a message to the wrong chat, but the investigation could have been better handled.

She says if the process had been resolved internally it wouldn't have taken up so much airtime, and the Greens could have spent that time talking about more important things.

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