The eldest son of U.S. President-elect Donald Trump is in Greenland on a private visit that has heightened speculation that the incoming U.S. administration could seek to take control of the Danish territory.

Donald Trump's eldest son Donald Jr. arrived in Greenland's capital Nuuk on a private visit on Tuesday, a day after the U.S. president-elect reiterated his interest in taking control of the island, an autonomous territory of Denmark.