Some protesters expressed fears that if they spoke out about Trump, his administration could bar them from visiting the United States.

Thousands of people in Greenland and Denmark have protested against plans by US President Donald Trump to take over Greenland - an autonomous Danish territory. Demonstrations were held in Danish cities including the capital, Copenhagen, as well as in Greenland's capital, Nuuk.

A bipartisan U.S. Congressional delegation's comments in Denmark contrasted with those emanating from the White House.

Trump said the 10% duties on eight European countries would increase to 25% on June 1 unless a deal is reached.

A bipartisan, bicameral group lawmakers traveled to Denmark to reassure NATO ally amid President Donald Trump's push for the U.S. to acquire Greenland.

Greenlandic officials have complained that Denmark, the EU and the US were slow in investing, with business minister Naaja Nathanielsen telling the FT in May that Greenland could look to other countries such as China to help develop its minerals industry.

The White House and Denmark contradicted each other in public about what they had agreed to this week as President Trump continued to demand U.S. ownership of Greenland.