The Prime Minister says it is deeply concerning how freely President Putin is talking about using nuclear weapons.
In a standup at the UN Assembly she reaffirmed that New Zealand condemns Russia's invasion of Ukraine and any escalation of it.
Earlier this morning Ardern delivered a speech on behalf of Prince William at the climate-focused Earthshot Prize Innovation summit.
She told guests she was humbled to have been asked to speak on behalf of Prince William who pulled out of the event following his grandmother's death.
