The Prime Minister won't do it – but we have the strongest denouncing of Putin from a politician – and it's come from National.  

Christopher Luxon has labelled Putin a war criminal, following in the footsteps of the US, UK and Australia. 

It will undoubtedly put pressure on Ardern, who has so far refused to call Putin a war criminal. 

National Party leader Christopher Luxon joined Mike Hosking. 

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