The EU and Nato have taken a vow of silence over Greenland after Denmark requested its key allies refrain from reacting to Donald Trump’s threats to seize the Arctic island.

The European Union is "not negotiating" on Greenland, EU's foreign policy chief Kaja Kallas said on Monday, amid claims by U.S. President Donald Trump that the United States needs to control Greenland for security purposes.

European Union foreign policy chief Kaja Kallas said Monday that Europe is “not negotiating” with the United States over control of Greenland, as President Trump continues to insist that acquiring the self-governing territory of Denmark is necessary for American national security.

Secretary of State Marco Rubio asserts that President Trump's interest in acquiring Greenland and reasserting control over the Panama Canal stems from legitimate national security threats posed by China's growing influence in these strategic areas.

Rubio said he could not predict if Trump would succeed in buying Greenland from Denmark or restoring American authority over the Panama Canal while he is in office.

US President Donald Trump is serious about seeking to buy Greenland, Secretary of State Marco Rubio said Thursday, after Denmark was rattled by his threats to take over the autonomous Danish territory.

Denmark said on Monday it would spend 14.6 billion Danish kroner ($2.05 billion) boosting its military capabilities in the Arctic – a decision that comes amid continuing furor following US President Donald Trump’s renewed interest in controlling Greenland,

President Trump is doubling down on his efforts to acquire Greenland from Denmark, and now the Danish government is pushing back.