Greenland has urged its citizens to begin stockpiling essential provisions as fears mount over a potential American invasion.
In a joint press conference in the capital of Nuuk, former PM Mute Egede declared: "We must be prepared for everything that may happen."
The Greenlandic Government confirmed it was examining civil defence protocols and emergency readiness measures, including guidance for households to maintain at least five days' worth of food reserves.
Prime Minister Jens-Frederik Nielsen refused to rule out an attack - though admitted one was "not likely".
Both leaders emphasised Greenland's membership of Nato, warning that any escalation would carry consequences extending well beyond the island's shores.
They jointly criticised President Donald Trump's social media threats, with Mr Nielsen branding them "disrespectful".
Greenland insisted it would engage only through proper diplomatic channels in response to Mr Trump's repeated declarations that the US would acquire the territory "whether they like it or not".
Danish Prime Minister Mette Frederiksen opted to remain in Copenhagen on Tuesday, addressing parliament rather than attending the World Economic Forum's opening in Davos.
Both leaders emphasised Greenland's membership of Nato during a press conference in Nuuk
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She said Mr Trump's rhetoric as a direct threat to Danish sovereignty and Greenland's right to determine its own future.
"On both sides, a trade war will cost jobs," Ms Frederiksen warned. "On both sides, it will harm the economy."
On Monday, Denmark dispatched around 100 troops to western Greenland, accompanied by army chief General Peter Boysen.
Analysts interpreted the deployment as a signal that Copenhagen is taken US security concerns seriously.
Denmark dispatched around 100 troops to western Greenland on Monday
| GETTYThousands of demonstrators gathered in Greenland's capital on Tuesday, chanting "Greenland is not for sale" in what has been described as the largest protest in the nation's history.
Greenlandic leaders have repeatedly insisted that the territory has no interest in becoming part of the US.
Mr Nielsen argued that if it were put to the people via a referendum, citizens would opt to remain within the Danish realm.
The President has justified his pursuit of the island on national security grounds, arguing that control is necessary to counter potential threats from China and Russia.
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Mr Nielsen insisted that Greenlanders would opt to remain within the Danish realm in a referendum
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The President threatened to slap a 10 per cent tariff on eight European countries from February 1, including Britain, over their protests at his ambition to seize the island.
The levy will rise to 25 per cent on June 1, with Mr Trump vowing to keep it in place until a deal is secured for the "complete and total purchase" of the Arctic territory.
French President Emmanuel Macron indicated the EU could activate its anti-coercion mechanism, commonly referred to as a trade "bazooka," to impose sanctions on those applying undue pressure on the bloc.
Brussels has signalled it may respond with retaliatory tariffs or potentially suspend elements of transatlantic trade arrangements.
Mr Trump is scheduled to speak at Davos on Wednesday
| GETTYEuropean Commission President Ursula von der Leyen stressed that the relationship between the EU and America was founded on trust.
"In politics, as in business, a deal is a deal. When friends shake hands, it must mean something," she declared.
US Treasury Secretary Scott Bessent attempted to ease tensions, claiming relations with Europe "have never been closer" and encouraging allies to "take a deep breath".
Mr Trump has confirmed he will hold meetings with various parties at Davos, where he is scheduled to speak on Wednesday.
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