Secretary of State Marco Rubio says President Donald Trump’s desire to acquire Greenland and retake control of the Panama Canal is driven by legitimate national security interests stemming from growing concerns about Chinese activity and influence in the Arctic and in Latin America.

President Donald Trump's interest in buying Greenland is "not a joke," Secretary of State Marco Rubio said in an interview on Thursday, adding that acquiring Greenland was in U.S. national interest and needs to be solved.

With less than 24 hours before President Donald Trump's deadline to impose sweeping tariffs on the three biggest US trading partners -- Canada, Mexico and China -- the global economy is bracing for impact.

The remarks come amid ongoing discussions between the Trump administration and Mexican and Canadian officials.

President Donald Trump said his 25% tariffs on Canada and Mexico are coming on Saturday, but he’s still considering whether to include oil from those countries as part of his import taxes. “We may or may not,