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Stuart Nattrass, a director of the defunct company Pike River Coal, is questioning why former CEO Peter Whittall was solely blamed for the deaths of 29 men inside the Pike River Mine.

A second species of fruit fly has been found in a surveillance trap in the Auckland suburb of Otara. Checkpoint reporter Alex Perrottet is inside the red zone and joins us live on camera.

As the Prime Minister arrives in the tiny set of atolls that makes up Tuvalu, the small nation's leader has taken aim at Australia, despite a huge aid package to help it cope with climate change. Scott Morisson has promised $500 million to help Tuvalu adapt to rising sea levels and food shortages, but Enele Sopoaga says Australia is trying to buy off support and to shut him up about the damaging threats of coal mining. He says the aid doesn't give Australia an excuse to rely on coal. Jacinda Ardern arrived on Funafuti and had this to say about the friction between Australia's coal policies and the plight of the Pacific. RNZ political reporter Yvette McCulloch talks to Lisa Owen.