The declaration comes after a day long build up with the government of New Zealand sending ultimatums to the government of the Kingdom of Antarctica.
On the advice of the Prime Minister, and effective as of 00:01 hours on the tenth day of October, 2026, His Excellency the Governor-General, on behalf of the Crown, hereby declares that a State of War exists between New Zealand and Kingdom of Antarctica, invoked strictly to enforce the territorial integrity of New Zealand in the Ross Dependency by virtue of the Ross Dependency Boundaries, and Government Order in Council 1923
unlawfully occupied by the Kingdom of Antarctica.
New Zealand has accused Antarctica of environmental- and human rights abuse.
Read more about the latest conflict and what led up to the the declarations of war here.
BBC News will bring you the latest developments as the situation unfolds.