Danish Prime Minister Mette Frederiksen says the country has received substantial support from fellow European nations as she seeks support to counter United States President Donald Trump’s threats to take control of Greenland.

Frederiksen will meet German Chancellor Olaf Scholz in Berlin, French President Emmanuel Macron in Paris and NATO Secretary-General Mark Rutte in Brussels, during a whirlwind day of international diplomacy as Trump threatens to upend the polar security architecture.

The poll, which surveyed 497 Greenlandic citizens, revealed that 45 percent of respondents said they view Trump's interest in their territory as a threat, while only 8 percent would accept a U.S. passport if given the choice between American and Danish citizenship.

The Danish government is reported to be in "crisis mode" and "freaking out" after Donald Trump double downed on his demands to take control of Greenland. The US President told reporters on board his presidential plane that he was confident of acquiring the territory.

Donald Trump insisted he was serious in his determination to take over Greenland in a fiery telephone call with Denmark’s prime minister, according to senior European officials.

Frederiksen was meeting on Tuesday with European leaders including German Chancellor Olaf Scholz, French President Emmanuel Macron and NATO Secretary General Mark Rutte.

In Washington, some Trump allies are warming to the challenge. Rep. Andrew Ogles (R-Tennessee) this month introduced the “Make Greenland Great Again” Act, which would direct Congress to back Trump’s negotiations to acquire the territory.

Some of Trumps threats to take over Greenland, Canada, and the Panama Canal are based on actual U.S. strategic goals. Others are just idiotic.

A "fiery" phone call between President Donald Trump and Denmark's Prime Minister Mette Frederiksen has reignited the debate over Greenland's future, with the US leader's intentions remaining unclear.

President Trump told Denmark’s leader he wanted to take over Greenland, European officials say. Denmark has asked its E.U. allies not to inflame the situation until Mr. Trump’s intentions are clearer.

Nordic leaders met on the weekend and reiterated they are united on defence issues, Denmark's prime minister has said, as her country reels from US President Donald Trump's attempts to take over Greenland.

US president spoke to Danish premier for 45 minutes last week and made clear he wanted to place Greenland under American control